On July 5-6, 2005 a couple in London locked lips for 31 hours, 30 minutes, and 30 seconds, making it the longest kiss ever recorded.
More Kiss Facts
The science of kissing is called philematology.
On the average, a person spends 20,160 minutes (two weeks) of his life on kissing.
Sensitivity of the lips is 200 times higher than that of the fingers.