A man's beard grows fastest when he anticipates sex.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Men fall in love faster than women do.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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