Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Wearing red increases attraction.
30
One in five long-term love relationships began with one or both partners being involved with others.
177
Women rate men more attractive if other women are looking and smiling at him.
17
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Intelligent men tend to be more sexually faithful.
31