A man's beard grows fastest when he anticipates sex.
239
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
Couples' personalities converge over time to make partners more and more similar.
235
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
When dragonflies mate, their tails form a love heart.
22
One in five long-term love relationships began with one or both partners being involved with others.
177
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69