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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Historically, sweat has been an active ingredient in perfume and love potions.
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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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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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When dragonflies mate, their tails form a love heart.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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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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