Two in five people in the world marry their first love.
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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
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
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When dragonflies mate, their tails form a love heart.
22
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A man's beard grows fastest when he anticipates sex.
239