The single biggest predictor of love is proximity.
30
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Two in five people in the world marry their first love.
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