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
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
The average person will go on a date at least 100 times before they finally marry.
33
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
Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
737
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44