Couples' personalities converge over time to make partners more and more similar.
235
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When dragonflies mate, their tails form a love heart.
22
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Speed dating was invented by a Rabbi in 1999.
45
Two in five people in the world marry their first love.
270