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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
40% of people who are rejected in romantic love slip into clinical depression.
72
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
The single biggest predictor of love is proximity.
30
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Two in five people in the world marry their first love.
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