One in five long-term love relationships began with one or both partners being involved with others.
177
Intelligent men tend to be more sexually faithful.
31
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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13