When dragonflies mate, their tails form a love heart.
22
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
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
You burn 26 calories in a one minute kiss.
605
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
The single biggest predictor of love is proximity.
30
Wearing red increases attraction.
30