Yawns are more contagious among people with closer relationships.
163
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Men fall in love faster than women do.
32