You burn 26 calories in a one minute kiss.
605
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
One in five long-term love relationships began with one or both partners being involved with others.
177
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
The single biggest predictor of love is proximity.
30
Men fall in love faster than women do.
32
Historically, sweat has been an active ingredient in perfume and love potions.
309