A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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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.
39
Wearing red increases attraction.
30
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
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
Speed dating was invented by a Rabbi in 1999.
45