Sea otters hold hands while sleeping so they don’t drift away from each other.
104
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Speed dating was invented by a Rabbi in 1999.
45
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
One in five long-term love relationships began with one or both partners being involved with others.
177
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
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