Parents receive 1 out of every 5 Valentines.
20
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Historically, sweat has been an active ingredient in perfume and love potions.
309
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
Kissing an infection-free partner is good for your teeth!
141
In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The single biggest predictor of love is proximity.
30