Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
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
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Couples' personalities converge over time to make partners more and more similar.
235
40% of people who are rejected in romantic love slip into clinical depression.
72
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Two in five people in the world marry their first love.
270