In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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
Kissing an infection-free partner is good for your teeth!
141
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
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