Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
28
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
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