When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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.
28
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
Kissing an infection-free partner is good for your teeth!
141
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
The single biggest predictor of love is proximity.
30
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