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
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
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The average person will go on a date at least 100 times before they finally marry.
33
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12