When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
212
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
Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
173