Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Men fall in love faster than women do.
32
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165