Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
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.
27
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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The single biggest predictor of love is proximity.
30
Historically, sweat has been an active ingredient in perfume and love potions.
309