Men fall in love faster than women do.
32
Parents receive 1 out of every 5 Valentines.
20
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130