1)The mouth is full of bacteria. When two people kiss, they exchange between 10 million and 1 billion bacteria.
2)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.
3)The most important muscle in kissing is the orbicularis oris, also known as the kissing muscle, which allows the lips to “pucker.”
4)French kissing involves 34 facial muscles. A pucker kiss involves only two.
5)The lips of both men and women resemble the lips of the vagina.
6)The term “French kiss” came into the English language around 1923 as a slur on the French culture which was thought to be overly concerned with sex. In France, it’s called a tongue kiss or soul kiss because if done right, it feels as if two souls are merging. In fact, several ancient cultures thought that mouth-to-mouth kissing mingled two lovers’ souls.
7)The Four Vedic Sanskrit texts (1500 B.C.) contain the first mention of a kiss in writing.
8)The Romans created three categories of kissing: (1) Osculum , a kiss on the cheek, (2) Basium, a kiss on the lips, and (3) Savolium, a deep kiss.
9)Passionate kissing burns 6.4 calories a minute. A Hershey’s kiss contains 26 calories, which takes five minutes of walking–or about four minutes of kissing–to burn off.
10)It is possible for a woman to reach an orgasm through kissing.