When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Parents receive 1 out of every 5 Valentines.
20
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
A man's beard grows fastest when he anticipates sex.
239
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
Wearing red increases attraction.
30
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456