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 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
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
The average person will go on a date at least 100 times before they finally marry.
33
You burn 26 calories in a one minute kiss.
605
Historically, sweat has been an active ingredient in perfume and love potions.
309
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
Raj from the Big Bang Theory is married to Miss India.
11