It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Men fall in love faster than women do.
32
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Couples' personalities converge over time to make partners more and more similar.
235
Speed dating was invented by a Rabbi in 1999.
45
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
A man's beard grows fastest when he anticipates sex.
239
