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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Men fall in love faster than women do.
32
Raj from the Big Bang Theory is married to Miss India.
11