40% of people who are rejected in romantic love slip into clinical depression.
72
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Historically, sweat has been an active ingredient in perfume and love potions.
309
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
One in five long-term love relationships began with one or both partners being involved with others.
177
Men fall in love faster than women do.
32