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
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
Two in five people in the world marry their first love.
270
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Men who kiss their wives in the morning live five years longer than those who don't.
1k
The single biggest predictor of love is proximity.
30