Couples' personalities converge over time to make partners more and more similar.
235
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
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 Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Speed dating was invented by a Rabbi in 1999.
45