'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
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
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average person will go on a date at least 100 times before they finally marry.
33
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234