The left ear is more responsive to words of love and emotion whispered into it than the right.
40
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
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 medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
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 Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13