Human male sexuality

Short description: Feelings and behaviors

"Male sexuality" redirects here. For sexuality of non-human male animals, see Animal sexual behavior.

File:Relief - Terra-cotta fragment - 7.jpgRelief - Terra-cotta fragment

Human male sexuality encompasses a wide variety of feelings and behaviors. Men's feelings of attraction may be caused by various physical and social traits of their potential partner. Men's sexual behavior can be affected by many factors, including evolved predispositions, individual personality, upbringing, and culture. While most men are heterosexual, and attracted only to women, there are significant minorities of homosexual men and varying degrees of bisexual men. Homosexual males are more common than homosexual females.[1][2]

## Contents

* 1 Sexual attraction
* 1.1 Physical factors
* 1.2 Non-physical factors
* 2 Sexual behavior
* 2.1 Interest in casual sex
* 2.2 Upbringing and personality
* 2.3 Sociosexuality
* 2.4 Expected parental investment
* 2.5 Paternity certainty
* 2.6 Sexual violence
* 3 Homosexuality
* 3.1 Sexual orientation and sexual identity
* 3.2 Causes
* 4 See also
* 5 References
* 6 External links

## Sexual attraction

### Physical factors

Research indicates that men tend to be attracted to young[3] women with bodily symmetry.[4] Facial symmetry, femininity, and averageness are also linked with attractiveness.[5] Men typically find female breasts attractive[5] and this holds true for a variety of cultures.[6][7][8] The pigmentation of nipples and breasts appears to be the most important quality of breast attractiveness. Men rated women with dark nipples and dark areola as significantly more attractive than those with light-colored nipples or areola.[9] Breasts of medium cup size were found to be the most attractive, however authors noted that men focused primarily on the coloration of nipples and areola rather than breast size.[9]

One study found a historical preference for lighter-skinned women.[10] However, the accuracy of this research has been questioned by more recent research, which found a preference for women with darker skin tones.[11] Experimental studies show that White men are more attracted to women with tanned and light-brown skin, rather than pale women.[12] Women in the West believe that men are more attracted to women with tan skin, which likely explains why women are much more likely to tan than men, according to a 2017 study.[13][14] There is a direct correlation between being tan and self-perceived attractiveness among young women.[15]

Skin color contrast has been linked to male sexual preferences across many cultures.[16] Women tend to have darker eyes and lips than men, especially relative to the rest of their facial features, and this attribute has been associated with female attractiveness and femininity,[16] yet it also decreases male attractiveness according to one study.[17] Women may use cosmetics such as lipstick and eye shadow to increase their facial color contrast, or to increase the apparent distance between their eyes and eyebrows.[16] A 2009 study found that East Asian people had more facial skin contrast than White people, owing to their consistently darker eyes.[17]

A comparison of a desirable waist-to-hip ratio (0.7) and an undesirable waist-to-hip ratio (0.9)

Women with a relatively low waist-to-hip ratio (WHR) are considered more attractive. The exact ratio varies among cultures, depending on the WHR of the women in the local culture. In Western cultures, a WHR of 0.70 is preferred.

Other physical factors of attraction include full lips, facial femininity, long, lustrous hair, low body mass index, and low waist circumference.[5] Preference for a slim or a plump body build is culturally variable, but in a predictable manner. In cultures where food is scarce, plumpness is associated with higher status and is more attractive, but the reverse is true in wealthy cultures.[5]

Men generally prefer their wives to be younger than they are, but by how much exactly varies between cultures. Older men prefer greater age differences, while teenage males prefer females slightly older than they are.[5]

The exact degree to which physical appearance is considered important in selecting a long-term mate varies between cultures.[5]

### Non-physical factors

When choosing long-term partners, both men and women desire those who are intelligent, kind, understanding, and healthy. They also show a preference for partners who have similar values, attitudes, personality, and religious beliefs.[5]

The importance of premarital chastity varies a great deal according to culture, as well as the religious beliefs and sexual orientation of the individual. In Western culture, the importance and value of chastity has generally declined among heterosexual individuals. Among 18 different attributes, chastity was rated 10th most valuable in 1939, but only 17th most valuable in 1990.[5]

## Sexual behavior

Many factors influence men's sexual behavior. These include evolved tendencies, such as a greater interest in casual sex, as well as individual and social factors related to upbringing, personality, and relationship status.

### Interest in casual sex

Compared to women, men have a greater interest in casual sex. On average, men express a greater desire for a variety of sex partners, let less time elapse before seeking sex, lower their standards dramatically when pursuing short-term mating, have more sexual fantasies and more fantasies involving a variety of sex partners, report having a higher sex drive, find cues to sexual exploitability to be attractive for short-term mating, experience more sexual regret over missed sexual opportunities, have a larger number of extramarital affairs and are more likely to seek hookups and friends with benefits, and visit prostitutes more often.[18] This has been often attributed to safety and social concerns when it comes to casual sex for women, and differences disappear when risk is accounted for and pleasure is guaranteed.[19]

### Upbringing and personality

One study has several factors that influence the age of first sexual intercourse among youth aged 13–18. Those from families with both parents present, from high socioeconomic backgrounds, who performed better at school, were more religious, who had higher parental expectations, and felt like their parents care, showed much lower levels of sexual activity across all age groups in the study. In contrast, those with higher levels of body pride showed higher levels of sexual activity.[20]

### Sociosexuality

Males who are in a committed relationship have a restricted sociosexual orientation, and will have different sexual behavior compared to males who have an unrestricted sociosexual orientation. Males with a restricted sociosexual orientation will be less willing to have sex outside of their committed relationship and behave according to their desire for commitment and emotional closeness with their partner.[21]

Sociosexually restricted males are less likely to approach females who have lower waist-to-hip ratios (0.68–0.72), generally rated as more physically attractive.[22]

### Expected parental investment

Elizabeth Cashdan[23] proposed that mate strategies among both genders differ depending on how much parental investment is expected of the male, and provided research support for her hypotheses. When men expect to provide a high level of parental investment, they will attempt to attract women by emphasising their ability to invest. In addition, men who expect to invest will be more likely to highlight their chastity and fidelity than men who expect not to invest. Men with the expectation of low parental investment will flaunt their sexuality to women. Cashdan argues the fact the research supports the idea that men expecting to invest emphasise their chastity and fidelity, which is a high-cost strategy (because it lowers reproductive opportunities), suggests that that type of behaviour must be beneficial, or the behaviour would not have been selected.[23]

### Paternity certainty

See also: Philosophy:Sexual jealousy

Paternity certainty is the extent to which a male knows or believes that a woman's child is his.[24]

In polygamous societies, men feel greater sexual jealousy when there is low paternity certainty.[25] This is because they do not want to risk wasting time, energy and resources on a child that is not theirs.[26]

Socio-economic differences between cultures also affect paternity certainty.[27] In a "natural fertility" country such as Namibia, 96% of males show sexual jealousy.[28]

Additionally, there is a greater likelihood of paternity loss and paternity uncertainty when there is a lack of contraceptives.[28]

### Sexual violence

Far more men than women commit rape.[29] It may be that rape is a non-adaptive by-product of other evolved mechanisms, such as desire for sexual variety and for sex without investment, sensitivity to sexual opportunities, and a general capacity for physical aggression.[30] Masculine gender roles and a sense of general and sexual entitlement, which are usually endorsed in patriarchal and heteronormative societies,[31] predict rape-related attitudes and behaviors in men.[32] However, it could be that evolutionary selection in the ancestral environment in some cases favored males who raped, resulting in rape itself being an adaptation.[33] Scholars from several fields have criticized this idea.[34] David Buss states that clear-cut evidence either way is lacking.[30]

## Homosexuality

Gay man flag

### Sexual orientation and sexual identity

Template:Sexual orientation

Main article: Social:Sexual orientation

Sexual orientation refers to one's relative attraction to men, to women, or to both. Most researchers studying sexual orientation focus on patterns of attraction rather than behavior or identity, because culture affects the expression of behavior or identity and it is attraction that motivates behavior and identity, not the other way around.[1]

Aside from being heterosexual or homosexual, individuals can be any of varying degrees of bisexual.[1][35] Bailey et al. stated that they expect that in all cultures the vast majority of people are sexually predisposed exclusively to the other sex, with a minority being sexually predisposed to the same sex, whether exclusively or not.[1] In Western surveys, about 93% of men identify as completely heterosexual, 4% as mostly heterosexual, 0.5% as more evenly bisexual, 0.5% as mostly homosexual, and 2% as completely homosexual.[1][35] An analysis of 67 studies found that the lifetime prevalence of sex between men (regardless of orientation) was 3–5% for East Asia, 6–12% for South and South East Asia, 6–15% for Eastern Europe, and 6–20% for Latin America.[36] The World Health Organization estimates a worldwide prevalence of men who have sex with men between 3 and 16%.[37]

Sexual orientation can be measured via self-report or physiologically. Multiple physiological methods exist, including measurement of penile erection, viewing time, FMRI, and pupil dilation. In men, these all show a high degree of correlation with self-report measures,[1] including men who self report as "mostly straight" or "mostly gay".[35]

What impact same-sex sexuality has upon one's social identity varies across cultures. The question of precisely how cultures through history conceptualized homosexual desire and behavior is a matter of some debate.[38][39]

In much of the modern world, sexual identity is defined based on the sex of one's partner. In some parts of the world, however, sexuality is often socially defined based on sexual roles, whether one is a penetrator ("top") or is penetrated ("bottom").[37][40]

### Causes

Main article: Philosophy:Biology and sexual orientation

Although no causal theory has yet gained widespread support, there is considerably more evidence supporting nonsocial causes of sexual orientation than social ones, especially for males. This evidence includes the cross-cultural correlation of homosexuality and childhood gender nonconformity, moderate genetic influences found in twin studies, evidence for prenatal hormonal effects on brain organization, the fraternal birth order effect, and the finding that in rare cases where infant males were raised as girls due to physical deformity, they nevertheless turned out attracted to females. Hypothesized social causes are supported by only weak evidence, distorted by numerous confounding factors.[1] Cross-cultural evidence also leans more toward non-social causes. Cultures that are very tolerant of homosexuality do not have significantly higher rates of it. Homosexual behavior is relatively common among boys in British single-sex boarding schools, but adult Britons who attended such schools are no more likely to engage in homosexual behavior than those who did not. In an extreme case, the Sambia ritually require their boys to engage in homosexual behavior during adolescence before they have any access to females, yet most of these boys become heterosexual.[41][42]

It is not fully understood why the genes for homosexuality, or allowing it to develop, whatever they may be, persist in the gene pool. One hypothesis involves kin selection, suggesting that homosexuals invest heavily enough in their relatives to offset the cost of not reproducing as much directly. This has not been supported by studies in Western cultures, but several studies in Samoa have found some support for this hypothesis. Another hypothesis involves sexually antagonistic genes, which cause homosexuality when expressed in males but increase reproduction when expressed in females. Studies in both Western and non-Western cultures have found support for this hypothesis.[1][5]

It has been hypothesized that homosexual behavior may itself be an adaptation for same-sex affiliation or alliance formation,[43][44] though this disposition would vary genetically among individuals[43] and occur more often when competition for female partners is especially severe.[44] Evolutionary psychologist David Buss criticized this hypothesis, stating that there is no evidence that most young men in most cultures use homoerotic behavior to establish alliances; instead, the norm is for same-sex alliances to not be accompanied by any sexual activity.[5] Additionally, he states that there is no evidence that men who engage in homoerotic behavior do better than other men at forming alliances or ascending in status.[5] Other researchers have also criticized it, commenting that the cross-cultural data on sexual practices are sketchy and uneven; that there is no need to assume that homosexual behavior, more than any other sexual behavior, is under direct selection rather than being a neutral byproduct; that the hypothesis ignores the existence of sexual orientation; that it contradicts findings that behaviorally homosexual or bisexual men have much lower rates of fatherhood; that primate homosexual behavior is not a uniform phenomenon and varies within and across species; and that since same-sex sexual partners are chosen on the basis of sexual emotion (in contrast to bonobos, for example), alliances of this kind would only occur as often as mutual sexual attraction, and such variability would seem to indicate a lack of design by natural selection.[45]

## See also

* Androphilia and gynephilia
* Artificial vagina
* Cock ring
* Erectile dysfunction
* Erogenous zone § Male
* Glory hole
* Human sexuality
* Human female sexuality
* Male appearance:
* Bear
* Beefcake
* Bishōnen
* Dandy
* Kkonminam
* Lad mag
* Lumbersexual
* Metrosexual
* Male dominance (BDSM)
* Male prostitution
* Male reproductive system
* Male submission
* Masculinity
* Men who have sex with men
* Down-low
* HIV and men who have sex with men
* Sexual practices between men
* Sex doll
* Orgasm § Males
* Prostate massage
* P-spot vibrator
* Playboy lifestyle
* Promiscuity § Male promiscuity
* Sexual arousal § Male physiological response

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Bailey, J. Michael; Vasey, Paul; Diamond, Lisa; Breedlove, S. Marc; Vilain, Eric; Epprecht, Marc (2016). "Sexual Orientation, Controversy, and Science". Psychological Science in the Public Interest 17 (2): 45–101. doi:10.1177/1529100616637616. PMID 27113562. https://www.researchgate.net/publication/301639075.
2. ↑ Eaton, A.D.; Scheadler, T.R.; Bradley, C.; McInroy, L.B. (September 2023). "Identity development, attraction, and behaviour of heterosexually identified men who have sex with men: scoping review protocol". Systematic Reviews (Springer Nature) 12 (184): 184. doi:10.1186/s13643-023-02355-6. ISSN 2046-4053. PMID 37777815.
3. ↑ Buss, David (2003). The Evolution of Desire (second ed.). New York: Basic Books. pp. 51–4. ISBN 978-0-465-07750-2.
4. ↑ Tattersall, Ian (11 June 2000). "Whatever Turns You On: A psychologist looks at sexual attraction and what it means for humankind. Geoffrey Miller". The New York Times: Book Review. https://www.nytimes.com/books/00/06/11/reviews/000611.11tattert.html. "it turns out that symmetry of bodily structure is a fitness indicator, and symmetry is more easily detectable among large breasts than small ones."
5. ↑ 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 Buss, David (2015). "Men's Long-Term Mating Strategies". Evolutionary Psychology: The New Science of the Mind (Fifth ed.). Routledge. ISBN 978-0-429-59006-1. https://books.google.com/books?id=c85WCgAAQBAJ&pg=PA139.
6. ↑ Jan Havlíček; Vít Třebický; Jaroslava Varella Valentova; Karel Kleisner; Robert Mbe Akoko; Jitka Fialová; Rosina Jash; Tomáš Kočnar et al. (2017). "Men's preferences for women's breast size and shape in four cultures". Evolution and Human Behavior 38 (2): 217–226. doi:10.1016/j.evolhumbehav.2016.10.002. Bibcode: 2017EHumB..38..217H. https://dspace.stir.ac.uk/bitstream/1893/24421/1/EHB-15-265R1.pdf.
7. ↑ Dixson, Barnaby J; Vasey, Paul L; Sagata, Katayo; Sibanda, Nokuthaba; Linklater, Wayne L; Dixson, Alan F (2011). "Men's preferences for women's breast morphology in New Zealand, Samoa, and Papua New Guinea". Archives of Sexual Behavior 40 (6): 1271–1279. doi:10.1007/s10508-010-9680-6. PMID 20862533. https://www.researchgate.net/publication/46404564.
8. ↑ Frank W. Marlowe (2004). "Mate preferences among Hadza hunter-gatherers". Human Nature 15 (4): 365–376. doi:10.1007/s12110-004-1014-8. PMID 26189412. https://www.unl.edu/rhames/courses/readings/Marlowe-hadza-mate-selection-criteria.pdf.
9. ↑ 9.0 9.1 Dixson, Barnaby J.; Grimshaw, Gina M.; Linklater, Wayne L.; Dixson, Alan F. (2010-02-19). "Eye Tracking of Men's Preferences for Female Breast Size and Areola Pigmentation". Archives of Sexual Behavior (Springer Science and Business Media LLC) 40 (1): 51–58. doi:10.1007/s10508-010-9601-8. ISSN 0004-0002. PMID 20169468.
10. ↑ "Skin color preference, sexual dimorphism and sexual selection: A case of gene culture co-evolution?". Ethnic and Racial Studies 9: 87–113. September 13, 2010. doi:10.1080/01419870.1986.9993516. "an overwhelming cross-cultural preference for lighter skin".
11. ↑ Polovick, Madeline (2017). "Orange Is the New Black": The Skin-Tanning Phenomenon and Its Influence on Perceptions of Race, Class, and Gender (Thesis). Senior Independent Study Theses. Retrieved 31 January 2023.
12. ↑ Polovick (2017), p. 14: "The researchers discovered that their findings did not support Van den Berghe and Frost’s hypothesis that men were more attracted to lighter-skinned women, especially as linked to a sign of fertility, because their data showed a preference for women with darker skin (measured by color parameters that indicated a skin value based on blue and green in comparison to red components)."
13. ↑ Polovick (2017), p. 12-13: "They chose to use tanned women as their research model because women have higher rates of tanning than men (Robinson et al. 1997b), and therefore are more likely to utilize tanned skin as an attractive trait. Their hypothesis was that both women and men would find a tanned female to be more physically and interpersonally attractive, healthier, taller, and thinner than a less tanned female. Only the men’s responses were statistically significant, demonstrating an overall preference for the dark-tanned female over then medium-tanned. Banerjee, Campo, and Greene found that their results contradict previous research that has shown a preference for medium tanned skin over dark-tanned skin (Broadstock et al. 1992). They also found that the men viewed the darker-tanned women as thinner" ... "They reason that women might tan more often than men because they believe men that find them more attractive that way; which, these perceptions of women by men were proven most likely accurate with their study."
14. ↑ Hurkman, Alexis Van (15 November 2010). The Color Correction Handbook: Professional Techniques for Video and Cinema. Pearson Education. p. 30-IA5. ISBN 978-0-321-71974-4. "Smith, Cornelissen and Tovee found that, contrary to previous cross-cultural studies on the topic, the observers showed a marked preference for the darker-complexioned, tanned volunteers."
15. ↑ Verma, N. M. P.; Srivastava, Alpana (20 August 2020). The Routledge Handbook of Exclusion, Inequality and Stigma in India. Taylor & Francis. p. 293. ISBN 978-1-000-09669-9. "A few studies have found that tanned skin is regarded as both more attractive and healthier than pale or very dark skin, and there is a direct correlation between the degree of tanning and perceived attractiveness, especially among young women."
16. ↑ 16.0 16.1 16.2 Fisher, M. (2017). The Oxford Handbook of Women and Competition. Oxford library of psychology. Oxford University Press. p. 581. ISBN 978-0-19-937637-7. https://books.google.com/books?id=I40tDwAAQBAJ&pg=PA581. Retrieved 2023-09-05. "p.581: "Because women tend to have greater facial contrast than men, wearing cosmetics can help women further increase their facial contrast -- and therefore increase the perceived femininity of their faces. This increase can be achieved by shaping and darkening facial features so that they stand out. Cosmetics may help women appear more feminine by enlargening perceptions of their eyebrow-eye distance with eye shadow...Thus, women seem to use cosmetics to help themselves appear to adhere to the evolutionarily reinforced mate preferences demonstrated by men across cultures (e.g. good health, facial symmetry, femininity)."
17. ↑ 17.0 17.1 Russell, Richard (2009-01-01). "A Sex Difference in Facial Contrast and its Exaggeration by Cosmetics". Perception (SAGE Publications) 38 (8): 1211–1219. doi:10.1068/p6331. ISSN 0301-0066. PMID 19817153. https://cupola.gettysburg.edu/psyfac/4. "P.1213: "Female faces had greater facial contrast than male faces in both the East Asian and the Caucasian samples, and the East Asian faces (with dark eyes) had greater facial contrast than the Caucasian faces (with lighter eyes). A 2 (sex) 62 (race) analysis of variance (ANOVA) of facial contrast found significant main effects of sex and race.".
18. ↑ Buss, David (2019). "Short-Term Sexual Strategies". Evolutionary Psychology: The New Science of the Mind. Routledge. ISBN 978-0-429-59006-1. https://books.google.com/books?id=Sn6JDwAAQBAJ.
19. ↑ "Women like casual sex just as much as men do | the University Record". https://record.umich.edu/articles/a2801-women-like-casual/.
20. ↑ Lammers, Cristina; Ireland, Marjorie; Resnick, Michael; Blum, Robert (2000-01-01). "Influences on adolescents' decision to postpone onset of sexual intercourse: a survival analysis of virginity among youths aged 13 to 18 years". Journal of Adolescent Health 26 (1): 42–48. doi:10.1016/S1054-139X(99)00041-5. PMID 10638717.
21. ↑ Simpson, J. A.; Gangestad, S.W. (1991). "Individual differences in sociosexuality: Evidence for convergent and discriminant validity". Journal of Personality and Social Psychology 60 (6): 870–883. doi:10.1037/0022-3514.60.6.870. PMID 1865325. Bibcode: 1991JPSP...60..870S.
22. ↑ Brase, G.L.; Walker, G. (2004). "Male sexual strategies modify ratings of female models with specific waist-to-hip ratios". Human Nature 15 (2): 209–224. doi:10.1007/s12110-004-1020-x. PMID 26190413.
23. ↑ 23.0 23.1 Cashdan, Elizabeth (1993). "Attracting mates: Effects of paternal investment on mate attraction strategies.". Ethology and Sociobiology 14: 1–23. doi:10.1016/0162-3095(93)90014-9.
24. ↑ Greene, P.J. (1978). "Promiscuity, paternity, and culture.". American Ethnologist 5: 151–159. doi:10.1525/ae.1978.5.1.02a00110.
25. ↑ Wiederman, M.W; Allgeier, E.R (1993). "Gender differences in sexual jealousy: Adaptionist or social learning explanation?". Ethology and Sociobiology 14 (2): 115–140. doi:10.1016/0162-3095(93)90011-6.
26. ↑ Buunk, B.P.; Angleitner, A; Oubaid, V; Buss, D.M. (1996). "Sex differences in jealousy in evolutionary and cultural perspective: Tests from the Netherlands, Germany, and the United States.". Psychological Science 7 (6): 359–363. doi:10.1111/j.1467-9280.1996.tb00389.x.
27. ↑ Wood, W; Eagly, A.H. (2002). "A cross-cultural analysis of the behavior of women and men: implications for the origins of sex differences.". Psychological Bulletin 128 (5): 699–727. doi:10.1037/0033-2909.128.5.699. PMID 12206191. Bibcode: 2002PsycB.128..699W.
28. ↑ 28.0 28.1 Scelza, B.A. (2014). "Jealousy in a small-scale, natural fertility population: the roles of paternity, investment and love in jealous response.". Evolution and Human Behavior 35 (2): 103–108. doi:10.1016/j.evolhumbehav.2013.11.003. Bibcode: 2014EHumB..35..103S. http://www.escholarship.org/uc/item/7sk5m5gd.
29. ↑ Sex Offenses and Offenders. U.S. Department of Justice. "99 in 100 are male."
30. ↑ 30.0 30.1 Buss, David (2019). "Conflict Between the Sexes". Evolutionary Psychology: The New Science of the Mind (6th ed.). London and New York: Routledge. ISBN 978-0-429-59006-1. https://books.google.com/books?id=Sn6JDwAAQBAJ.
31. ↑ Graham, Philip (2017). "Male Sexuality and Pornography". Men and Sex: A Sexual Script Approach. Cambridge and New York: Cambridge University Press. pp. 250–251. doi:10.1017/9781316874998.013. ISBN 978-1-107-18393-3. https://books.google.com/books?id=X74pDwAAQBAJ&pg=PA250. "Patriarchal beliefs assert the "natural" superiority of men with a right to leadership in family and public life. Such beliefs derive particularly from Abrahamic religions. Patriarchal attitudes relating to sexual behaviour are mixed and inconsistent. They include, on one hand, the idea that as part of their natural inferiority, women are less in control of their sex drives and are therefore essentially lustful, with a constant craving for sex. This belief leads to the rape myth – even when women resist sexual advances they are using it merely as a seductive device. On the other hand, patriarchal beliefs also dictate that women, in contrast to men, are naturally submissive and have little interest in sex, so men have a "natural" right to sexual intercourse whether women want it or not."
32. ↑ Hill, M. S.; Fischer, A. R. (2001). "Does entitlement mediate the link between masculinity and rape-related variables?". Journal of Counseling Psychology (American Psychological Association) 48 (1): 39–50. doi:10.1037/0022-0167.48.1.39. ISSN 1939-2168.
33. ↑ Thornhill, R; Palmer, C.T. (2001). A natural history of rape: Biological bases of sexual coercion.. Cambridge, MA: Bradford Books. ISBN 978-0-262-70083-2. https://books.google.com/books?id=xH6v-nB6EegC.
34. ↑ Travis, Cheryl Brown, ed (2003). Evolution, Gender, and Rape. Bradford Books. ISBN 978-0-262-70090-0. https://books.google.com/books?id=a2TTPKFUXgkC.
35. ↑ 35.0 35.1 35.2 Savin-Williams, Ritch (2016). "Sexual Orientation: Categories or Continuum? Commentary on Bailey et al. (2016)". Psychological Science in the Public Interest 17 (2): 37–44. doi:10.1177/1529100616637618. PMID 27113561.
36. ↑ Caceres, C.; Konda, K.; Pecheny, M.; Chatterjee, A.; Lyerla, R. (2006). "Estimating the number of men who have sex with men in low and middle income countries". Sexually Transmitted Infections 82 (Suppl. III): iii3–iii9. doi:10.1136/sti.2005.019489. PMID 16735290.
37. ↑ 37.0 37.1 Between Men: HIV/STI Prevention For Men Who Have Sex With Men, International HIV/AIDS Alliance.
38. ↑ Norton, Rictor (2016). Myth of the Modern Homosexual. Bloomsbury Academic. ISBN 978-1-4742-8692-3. https://books.google.com/books?id=DkTqDAAAQBAJ. The author has made adapted and expanded portions of this book available online as A Critique of Social Constructionism and Postmodern Queer Theory.
39. ↑ Boswell, John (1989). "Revolutions, Universals, and Sexual Categories". in Duberman, Martin Bauml; Vicinus, Martha; Chauncey, George Jr.. Hidden From History: Reclaiming the Gay and Lesbian Past. Penguin Books. pp. 17–36. http://pdfs.semanticscholar.org/d1f4/b4d6d8a37a3470c63ae83bf0d4a5101b08ce.pdf.
40. ↑ Clark, Jesse L.; Caceres, Carlos F.; Lescano, Andres G.; Konda, Kelika A.; Leon, Segundo R.; Jones, Franca R.; Kegeles, Susan M.; Klausner, Jeffrey D. et al. (2007). "Prevalence of Same-Sex Sexual Behavior and Associated Characteristics among Low-Income Urban Males in Peru". PLOS ONE 2 (8): e778. doi:10.1371/journal.pone.0000778. PMID 17712426. Bibcode: 2007PLoSO...2..778C.
41. ↑ LeVay, Simon (2017). Gay, Straight, and the Reason Why: The Science of Sexual Orientation. Oxford University Press. p. 19. ISBN 978-0-19-975296-6. https://books.google.com/books?id=HmQFFfa03nkC.
42. ↑ Balthazart, Jacques (2012). The Biology of Homosexuality. Oxford University Press. pp. 13–14. ISBN 978-0-19-983882-0. https://books.google.com/books?id=3fjGjlcVINkC.
43. ↑ 43.0 43.1 Muscarella, Frank (2000). "The evolution of homoerotic behavior in humans". Journal of Homosexuality 40 (1): 51–77. doi:10.1300/j082v40n01_03. PMID 11195666.
44. ↑ 44.0 44.1 Kirkpatrick, R.C. (2000). "The evolution of human homosexual behavior". Current Anthropology 41 (3): 385–413. doi:10.1086/300145. PMID 10768881. http://pdfs.semanticscholar.org/a824/a2048a7edf20449831498ee9ec169f1b7cb9.pdf.
45. ↑ Blackwood, Evelyn; Dickemann, Jeffrey; Jones, Doug; Muscarella, Frank; Vasey, Paul (2000). "Comments on 'The evolution of human homosexual behavior'". Current Anthropology 41 (3): 398–403. doi:10.1086/300145. PMID 10768881. http://pdfs.semanticscholar.org/a824/a2048a7edf20449831498ee9ec169f1b7cb9.pdf.

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* Evolutionarily stable strategy
* Kin selection
* Natural selection
* Sexual selection
* Social selection

Areas|

* Psychological development
* Morality
* Religion
* Depression
* Educational psychology
* Evolutionary aesthetics
* Music
* Darwinian literary studies
* Evolution of emotion

Biologists/
Neuroscientists|

* John Crook
* Charles Darwin
* Richard Dawkins
* Jared Diamond
* W. D. Hamilton
* Peter Kropotkin
* Gordon Orians
* Jaak Panksepp
* Margie Profet
* Giacomo Rizzolatti
* Randy Thornhill
* Robert Trivers
* Carel van Schaik
* Claus Wedekind
* Wolfgang Wickler
* David Sloan Wilson
* E. O. Wilson
* George C. Williams
* Richard Wrangham

Anthropologists|

* Jerome H. Barkow
* Robert Boyd
* Napoleon Chagnon
* Gregory Cochran
* Robin Dunbar
* Daniel Fessler
* Mark Flinn
* Henry Harpending
* John D. Hawks
* Joseph Henrich
* Ruth Mace
* Daniel Nettle
* Stephen Shennan
* Donald Symons
* John Tooby
* Pierre van den Berghe

Behavioral economists/
Political scientists|

* Samuel Bowles
* Ernst Fehr
* Herbert Gintis
* Dominic D. P. Johnson
* Gad Saad

Literary theory/
Aesthetics|

* Joseph Carroll
* Denis Dutton

Psychologists/
Cognitive scientists|

* Simon Baron-Cohen
* Justin L. Barrett
* Jay Belsky
* David F. Bjorklund
* Paul Bloom
* Pascal Boyer
* Joseph Bulbulia
* David Buss
* Josep Call
* Anne Campbell
* Peter Carruthers
* Leda Cosmides
* Martin Daly
* Daniel Dennett
* Paul Ekman
* Anne Fernald
* Aurelio José Figueredo
* David C. Geary
* Gerd Gigerenzer
* Jonathan Haidt
* Judith Rich Harris
* Stephen Kaplan
* Douglas T. Kenrick
* Simon M. Kirby
* Robert Kurzban
* Michael T. McGuire
* Geoffrey Miller
* Darcia Narvaez
* Randolph M. Nesse
* Steven Neuberg
* David Perrett
* Steven Pinker
* Paul Rozin
* Mark Schaller
* David P. Schmitt
* Todd K. Shackelford
* Roger Shepard
* Peter K. Smith
* Dan Sperber
* Anthony Stevens
* Frank Sulloway
* Michael Tomasello
* Mark van Vugt
* Andrew Whiten
* Glenn Wilson
* Margo Wilson

Research centers/
organizations|

* Center for Evolutionary Psychology
* Human Behavior and Evolution Society
* Max Planck Institute for Evolutionary Anthropology
* Max Planck Institute for Human Cognitive and Brain Sciences
* New England Complex Systems Institute

Related subjects
and articles|

* The Adapted Mind
* The Evolution of Human Sexuality
* Evolutionary Psychology
* Evolution and Human Behavior
* Biosocial criminology
* Criticism of evolutionary psychology
* Evolutionary anthropology
* Evolutionary medicine
* Evolutionary linguistics
* Evolutionary neuroscience
* Evolutionary psychology and culture
* Group selection
* Human evolution
* Memetics
* Primatology
* Sociobiology
* Sociocultural evolution

Lists|

* Evolutionary psychologists
* Evolutionary psychology research groups and centers
* Bibliography of evolution and human behavior

* Evolutionary psychology
* Psychology portal
* Evolutionary biology portal

* v
* t
* e

Gender and sexual identities

Gender
identities|

| Genders|

* Man
* Woman
* Male
* Female
* Androgynos
* Androgyne
* Boi
* Cisgender
* Cross-dresser
* Gender bender
* Gender neutrality
* Non-binary (or genderqueer)
* Postgenderism
* Gender variance
* Transgender
* Trans man
* Trans woman
* Transsexual

|

Third genders
or third sexes|

* Akava'ine
* Bakla
* Bugis genders
* Bissu
* Calabai
* Calalai
* Chibados
* Enaree
* Eunuch
* Fa'afafine
* Fakaleiti
* Femminiello
* Galli
* Hijra
* Kathoey
* Khanith
* Köçek
* Koekchuch
* Māhū
* Mak nyah
* Mukhannathun
* Muxe
* Nullo
* Sworn virgin
* Rae-rae
* Takatāpui
* Travesti
* Tumtum
* Two-spirit
* Lhamana
* Nádleehi

Sexual
orientation
identities|

| Sexual orientations|

* Asexual
* Bisexual
* Heterosexual
* Homosexual

|

Alternative labels|

* Banjee
* Bi-curious
* Ex-gay
* Ex-ex-gay
* Gay
* Gray asexual
* Heteroflexible
* Lesbian
* Non-heterosexual
* Pansexual
* Polysexual
* Queer
* Questioning
* Same gender loving

Social aspects|

* Sociosexual orientation
* Antisexuality
* Monogamy
* Non-monogamy
* Polyamorous
* Asociality
* Homosociality
* Heterosociality

Other|

* Analloeroticism
* Androphilia and gynephilia
* Attraction to transgender people
* Kinsey scale
* Monosexuality
* Romantic orientation

See also|

* Gender roles
* Intersex
* Sex and gender distinction
* Sexuality and gender identity-based cultures
* Social construction of gender

* v
* t
* e

Bisexuality

Sexual identities|

* Bisexual
* Bicurious
* Monosexual
* Pansexual
* Polysexual

History|

* Bisexuality in the United States
* Media portrayals of bisexuality

Study|

* Bisexual theory
* Journal of Bisexuality
* Kinsey scale
* Klein grid
* Female sexuality
* Male sexuality

Attitudes|

* Biphobia
* Bisexual chic
* Bisexual erasure
* Lesbian until graduation

Community|

* Anything That Moves
* BECAUSE
* BiCon (UK)
* BiFest
* Bisexual Awareness Week
* Bisexual Pride Day
* Bisexual pride flag
* International Conference on Bisexuality
* Transcending Boundaries Conference

Organizations|

* American Institute of Bisexuality
* Bay Area Bisexual Network
* Bialogue
* BiNet USA
* Bisexual Resource Center
* National Bisexual Liberation Group
* New York Area Bisexual Network

Lists|

* Media portrayals of bisexuality
* Self-identified bisexual people

* LGBT portal
* Sexuality portal

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Original source: https://en.wikipedia.org/wiki/Human male sexuality. Read more

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