When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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.
27
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Couples' personalities converge over time to make partners more and more similar.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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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
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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