Women rate men more attractive if other women are looking and smiling at him.
17
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
Men fall in love faster than women do.
32
Yawns are more contagious among people with closer relationships.
163
Intelligent men tend to be more sexually faithful.
31