Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Wearing red increases attraction.
30
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
Intelligent men tend to be more sexually faithful.
31
40% of people who are rejected in romantic love slip into clinical depression.
72
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Yawns are more contagious among people with closer relationships.
163