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
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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Historically, sweat has been an active ingredient in perfume and love potions.
309