Pessimism

Pessimism is a human mindset, which tends to only see the negative things in life. A pessimistic person will tend to expect and assume the worst, having a "glass half-empty" personality. Pessimism is very often the cause of depression.^[1]

However, a small amount of pessimism can be beneficial, such as avoiding scams with the "if it seems too good to be true, it probably is" adage.

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