'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
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Kissing an infection-free partner is good for your teeth!
141
Men who kiss their wives in the morning live five years longer than those who don't.
1k
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13