Scientific insight and expert advice on behavior, personality traits and why we act how we do.
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How to be alone on Valentine's Day

The author of "How to Be Alone" reveals how to enjoy the holiday even if you don't have anyone to celebrate Valentine's Day with.

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8 reasons why people cheat

Infidelity is one of the most distressing things you can experience in a romantic relationship. Here's why lovers are motivated to be unfaithful.

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