Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A man's beard grows fastest when he anticipates sex.
239
When dragonflies mate, their tails form a love heart.
22
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
Speed dating was invented by a Rabbi in 1999.
45
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
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
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29