You burn 26 calories in a one minute kiss.
605
When dragonflies mate, their tails form a love heart.
22
Wearing red increases attraction.
30
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
A man's beard grows fastest when he anticipates sex.
239
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
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