Historically, sweat has been an active ingredient in perfume and love potions.
309
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Couples' personalities converge over time to make partners more and more similar.
235
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
Speed dating was invented by a Rabbi in 1999.
45
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
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165