In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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The average person will go on a date at least 100 times before they finally marry.
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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.
41