Historically, sweat has been an active ingredient in perfume and love potions.
309
Wearing red increases attraction.
30
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
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
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
40% of people who are rejected in romantic love slip into clinical depression.
72
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212