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
You burn 26 calories in a one minute kiss.
605
Two in five people in the world marry their first love.
270
The average person will go on a date at least 100 times before they finally marry.
33
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
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