Facts about kissing

• "Kiss” is from the Old English cyssan from the proto-Germanic kussijanan or kuss, which is probably based on the sound kissing can make.
• A woman in China partially lost her hearing after her boyfriend reportedly ruptured her eardrum with a passionate kiss. Apparently, the kiss reduced the pressure in the mouth, pulled the eardrum out, and caused the breakdown of the ear.
• The science of kissing is called philematology
• The insulting slang “kiss my ass” dates back at least to 1705.
• Lips are 100 times more sensitive than the tips of the fingers. Not even genitals have as much sensitivity as lips.
• Approximately two-thirds of people tip their head to the right when they kiss. Some scholars speculate this preference starts in the womb.
• 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.
• The most important muscle in kissing is the orbicularis oris, also known as the kissing muscle, which allows the lips to “pucker.”
• French kissing involves all 34 muscles in the face. A pucker kiss involves only two.
• The Four Vedic Sanskrit texts (1500 B.C.) contain the first mention of a kiss in writing.