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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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Parents receive 1 out of every 5 Valentines.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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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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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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