On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
173
Kissing an infection-free partner is good for your teeth!
141
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255