Speed dating was invented by a Rabbi in 1999.
45
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Men who kiss their wives in the morning live five years longer than those who don't.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Historically, sweat has been an active ingredient in perfume and love potions.
309
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88