Men who kiss their wives in the morning live five years longer than those who don't.
1k
A man's beard grows fastest when he anticipates sex.
239
Couples' personalities converge over time to make partners more and more similar.
235
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34