40% of people who are rejected in romantic love slip into clinical depression.
72
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Wearing red increases attraction.
30
Yawns are more contagious among people with closer relationships.
163
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