Kissing an infection-free partner is good for your teeth!
141
'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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
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
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161