Kissing an infection-free partner is good for your teeth!
141
You burn 26 calories in a one minute kiss.
605
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
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
'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
Men who kiss their wives in the morning live five years longer than those who don't.
1k
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9