Approximately two-thirds of people tip their head to the right when they kiss. Some scholars speculate this preference starts in the womb.
French kissing involves all 34 muscles in the face. A pucker kiss involves only two.
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.
Kissing may have originated when mothers orally passed chewed solid food to their infants during weaning. Another theory suggests kissing evolved from prospective mates sniffing each other’s pheromones for biological compatibility.
Common chimpanzees kiss with open mouths, but not with their tongues. Bonobos, the most intelligent of primates, do kiss with their tongues.
Pliny asserts that kissing a donkey’s nostril will cure the common cold.
Although many men and women consider it childish, more than 95% of them occasionally like to rub noses while kissing. Often called an “Eskimo kiss” in Western culture, this form of kissing is based loosely on a traditional Inuit greeting called a “kunik.”
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
According to U.S. statistics, an American woman would kiss an average of 80 men before she gets married.
Sensitivity of the lips is 200 times higher than that of the fingers.
It is thought that men who kiss their wives goodbye before going to work live five years longer than those who just slam the door.
On the average, a person spends 20,160 minutes (two weeks) of his life on kissing.
In Indiana it is illegal for men with mustaches “to habitually kiss human beings.”