Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
A man's beard grows fastest when he anticipates sex.
239
You burn 26 calories in a one minute kiss.
605
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Wearing red increases attraction.
30