One in five long-term love relationships began with one or both partners being involved with others.
177
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
You burn 26 calories in a one minute kiss.
605
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
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
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
40% of people who are rejected in romantic love slip into clinical depression.
72