When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Wearing red increases attraction.
30
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 medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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