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.
687
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
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
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456