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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
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
Wearing red increases attraction.
30
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
634
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687