One in five long-term love relationships began with one or both partners being involved with others.
177
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Anuptaphobia is the fear of staying single.
11
Intelligent men tend to be more sexually faithful.
31
Yawns are more contagious among people with closer relationships.
163
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