Kissing is the best way to express and enhance feelings. Different people have different kissing preferences, which is a matter of opinion. Different people have different views on sticking out their tongues. Some people are keen, others are disdainful. The reason why kissing likes sticking out your tongue is that many people want to get more excitement. There are 12 pairs of nerves affecting human brain function, and there are 5 pairs on the tongue. From here we can see how much stimulation kissing and sticking out your tongue can bring to people. And sticking out your tongue when kissing can give people a special feeling, which can make people more involved in kissing and have a more intimate feeling. What are the cold knowledge of kissing? Kissing is a normal behavior in life, but there are still some cold knowledge that everyone doesn't know. 1, kissing has many benefits. Kissing can bring many benefits to people, increase the elasticity of lungs and improve vital capacity. In the process of kissing, flora exchange will occur, which can also improve human immunity. 2. Kissing consumes calories. Kissing helps to lose weight. Kissing for one minute can consume 26 calories. Although the calorie intake is low, it is better than nothing. 3, kissing will make people relax If you feel nervous or anxious or have negative emotions, you may wish to kiss your lover deeply, so that people can relax and not be entangled in negative emotions. 4. Most people close their eyes when kissing. More than 90% women will close their eyes when kissing, and more than 75% men will close their eyes when kissing. This is a very common situation. 5. Kissing is good for teeth. Kissing can prevent tooth decay. The saliva produced by kissing contains calcium and phosphorus, which can play this role. Why do you have to stick out your tongue when kissing? When you are in love, you will inevitably do some intimate actions. Some unusual intimate actions will not only upgrade the feelings of two people, but also bring them closer. Kissing is the most common one. Whether you see it on TV or come into contact with it at ordinary times, you all know that kissing is an indispensable way to express your love to each other. I have seen such a sentence on the internet before. A boy stared at a girl's eyes for ten seconds. If a girl likes him, she will laugh. If a girl looks into a boy's eyes for ten seconds, the boy will kiss. It can be seen from this sentence that in the hearts of boys, kissing is the best way to express love to each other! If couples who have been together for a long time are ok, I think it's no big deal and acceptable. Couples who just got together are inevitably a little shy. The sisters probably thought it might be developing too fast. They feel that they haven't reached this point with him, especially when boys kiss, they always stick out their tongues. Many girls can't accept this kind of behavior! Not only unacceptable, but also curious. Why do boys like to stick out their tongues when kissing? Let's discuss it with you today. Come in and have a look. First of all, you should know that kissing is an affirmation of love. It means you have feelings for him. It's a natural feeling. The boy put his tongue in your mouth. He also wants to conquer everything about you and let you give him everything. I think this is every boy's desire. Desire is also impulsive. Therefore, it is normal to stick out your tongue when kissing. It is a fierce French kiss and the deepest contact in kissing. Usually, French kissing is used by men and women in love. In order to show love for each other, the love for French kiss means that two people's tongues can be fused together. Make each other happy. Your boyfriend's French kiss may want to have further development with you. If you have an aversion to this, you can talk to your boyfriend. I'm sure your boyfriend won't push you. Why do you have to stick out your tongue when kissing? Many first-love girls report that boyfriends like to stick out their tongues when kissing. They don't understand this. French kiss is that two people's tongues can be fused together, making both people feel happy. Boyfriend French kiss may want to have further development with you. If you are disgusted with this, you can talk to your boyfriend. Don't force it. A reluctant kiss won't bring happiness, and you may feel disgusted. Some women stand in a daze when kissing, and their hands are stiff and drooping. Her boyfriend is like kissing a model in the window. Think about it. What will it be like in his heart? Of course, you should also hold him! There are no clear rules about how to put your hands when hugging. For example, he is about the same height as you, so you might as well put your hand gently around his neck. For example, if he is much taller than you, just put your hand behind his back and hug him. The stupidest way to kiss is just to raise your lips, then stand stiffly and wait for a while. How could he kiss you? If your new boyfriend is always close to you, he will ridicule you when you deliberately keep your distance: "You are so afraid of me, you have to cross the road from me." When two people are alone, he is always close to you. He can't wait to take your first kiss before holding hands, and he kisses you rudely, as if to suck all your teeth into your stomach. You think you are a weak and helpless lamb, and the other is a hungry wolf with blue eyes. There is no tenderness, only possession and tenacity. Such a kiss makes you sick, so you have to push him away with all your strength and leave angrily. No matter how he apologizes and explains afterwards, don't change your mind. You should trust your intuition. The benefits of regular kissing 1. A warm long kiss can make 29 kinds of facial muscles tense, including lip 12 and tongue 17. In other words, kissing can also be regarded as an effective facial movement, which can make the skin smoother, prevent wrinkles and accelerate blood circulation. Maybe kissing is better than using various skin creams or masks. Of course, the kissing process is much more comfortable than using skin cream and making a mask. 2. Kissing can not only beautify and slim down, but also prevent dental plaque and dental caries, which is very similar to toothpaste. Kissing can also stimulate the secretion of a lot of saliva, which contains calcium and phosphorus, which can effectively prevent dental caries. Passionate kissers are less likely to get gingivitis. In addition, in the process of kissing, the pH of saliva is neutral, which can also prevent dental diseases. Kissing allows men and women to exchange saliva, including water, enzymes, bacteria, fat, natural salt, protein and many other different substances. According to a recent study, the exchange of these substances can stimulate a person's immune system to produce antibodies. According to the survey, 66% people usually close their eyes when kissing, while the remaining 34% people are happy to watch their partner's facial expression change. According to American survey statistics, unmarried women in the United States kissed 80 men on average before marriage. 6. A quick romantic kiss may burn 2 to 3 calories for you, while a French kiss will burn at least 5 calories, because the French need to open their mouths and touch with their tongues. And scientists also announced that we don't need crazy kissing to lose weight. Just three kisses lasting 20 seconds a day can help you lose weight.