While kissing, men don't want to Exchange saliva, he just wanted to ...! Seven on "kissing" the truth, there is too much different than we want to!

The boxing, French kissing, tongue sucking, wet kisses ... ... No matter how you call it, this can be very loving and kissing sexy, satisfying, but can also be awkward, crude, disappointing. A kiss could be very short and very sweet, can also be long and passionate. It can be a Peck like a bird, or like a full vacuum cleaner. On this point, when you're pondering, kissing is disgusting! You rub your lips, and opened his mouth to suck another man's tongue and lips. You share saliva and bacteria, heat, and anything that has just eaten remnants of. However, the 90% of people in the world are still kissing, and most people are very popular.

Science can explain the pleasure of kissing. Our lips and tongues are rich in nerve endings in the wonderful hug can make us feel giddy and excited. Therefore, no matter how weird kissing, we still do, and always looking for ways to do it as much as possible.

Here are 7 cold knowledge facts about kissing, you might be unheard of.

1. kissing is dirty, but not shake hands dirty.

In a 10-second Kiss, we will exchange 80 million bacteria. Yes, that's right! A kiss can contain 278 different bacteria. But optimistic, 95% bacteria are harmless. In other words, one day, we shake hands through sick from bacteria infection more likely. This could not help but imagine, whether we should use Kiss instead shake hands.

2. man does not want to Exchange saliva, they just want to give saliva.

Have you ever thought about why do men like to push tongue down your throat? There is evidence, contains testosterone in the saliva. Scientists speculate that the men testosterone may unconsciously trying to be passed on to kiss objects, in order to promote each other's sexual desires.

3. kissing prevent tooth decay.

Since said saliva, then a small anecdote: kissing will make you more saliva in oral hormonal, help wash away your plaque, tartar of teeth leading to tooth decay.

4. good-looking men kissing.

An Oxford University study showed that people who think they look like more men more attractive, girlfriend, more interested in kissing. The reason for this may be due to attractive people have more options-and kissing is a way to assess.

5. think kissing frightening? That's called kissing phobia.

It was strange but it is there: we have a proprietary scientific name "kissing phobia" to describe those who fear of kissing. Just thinking about kissing it would make them feel disturbed, in fact, seen on screen kissing someone makes them into complete panic.

6. the husband kisses his wife before work live longer, earn more.

60 of the last century, a West German study found, husband who kissed his wife before work can live 5 years on average. Also, their income than those who don't Peck the person before you left home 20%-30%.

7. do not kiss my wife, God will punish you.

Well, maybe it was not God. But the study also found that a story about "driving and kissing" associated with the strange and interesting than who kisses his wife before leaving home, men who don't do 50% more likely to cause a crash. But it would also make sense: the man who kisses his wife before work more active, making them less distracting beset by negative thoughts, hence the trick better.