Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Parents receive 1 out of every 5 Valentines.
20
The single biggest predictor of love is proximity.
30
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
You burn 26 calories in a one minute kiss.
605
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
Two in five people in the world marry their first love.
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