The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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The single biggest predictor of love is proximity.
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Wearing red increases attraction.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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Couples' personalities converge over time to make partners more and more similar.
235
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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