One in five long-term love relationships began with one or both partners being involved with others.
177
40% of people who are rejected in romantic love slip into clinical depression.
72
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
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
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