In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
Wearing red increases attraction.
30
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
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Speed dating was invented by a Rabbi in 1999.
45
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