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
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
You burn 26 calories in a one minute kiss.
605
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
'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
Kissing an infection-free partner is good for your teeth!
141