Wearing red increases attraction.
30
Parents receive 1 out of every 5 Valentines.
20
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234