Couples' personalities converge over time to make partners more and more similar.
235
The single biggest predictor of love is proximity.
30
Men who kiss their wives in the morning live five years longer than those who don't.
1k
A man's beard grows fastest when he anticipates sex.
239
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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