People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
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
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Couples' personalities converge over time to make partners more and more similar.
235
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
The left ear is more responsive to words of love and emotion whispered into it than the right.
44