Intelligent men tend to be more sexually faithful.
31
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Yawns are more contagious among people with closer relationships.
163
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Raj from the Big Bang Theory is married to Miss India.
11