When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
'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
You burn 26 calories in a one minute kiss.
605
Men who kiss their wives in the morning live five years longer than those who don't.
1k
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161