Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A man's beard grows fastest when he anticipates sex.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Men who kiss their wives in the morning live five years longer than those who don't.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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The single biggest predictor of love is proximity.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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