Not only does sex reproduce, but a good sex life has a healthy effect on people. A good sex life creates positive emotions and relieves jitters. It also releases endorphins, which are natural pain relievers. The benefits of sex life how much, not one introduction, may wish to understand the cold knowledge about sex life.
What are some cold facts about sex?
1. It’s impossible to lose weight through sex
According to the Internet, having sex burns a lot of calories, equivalent to jogging for 3,000 meters. In fact, studies have found that sex doesn’t burn a lot of energy, up to 550 calories, making it impossible to lose weight through sex. In addition, having sex too often can cause a host of problems, such as decreased sexual desire, impotence or premature ejaculation.
2. Smoking a cigarette after sex can affect sexual performance
There are many men like to smoke a cigarette after sex, in fact, it is very hurt the body, and affect the penis. The erection of the penis depends on blood congestion in the corpus cavernosum of the penis. If you want blood congestion, the corpus cavernosum must have enough blood to enter. When blood flow is reduced, erection is bound to be affected. After the end of sex life, the body blood circulation speed up, after smoking a cigarette, will let the harmful substances in tobacco quickly absorbed by the body. Nicotine, in particular, stimulates the brain center, causing the smooth muscle of the cavernous body to contract rapidly, resulting in a decrease in blood flow to the penis.
3. Women don’t care that much about penis size
Almost all men are concerned about penis size, in general, penis erection in 12.4 cm, weak state in 7.1 cm, as long as in the above range do not have too low self-esteem. What women care about most is whether the penis is firm and long-lasting.
4. The first time you have sex doesn’t have to bleed
Whether the first sex will bleed is related to the hymen, the hymen has holes in the middle, each woman is different, the number of holes, size and shape are not the same. The first time you wake up bleeding is caused by a tear in the hymen. Generally, with age, the hymen will become thinner and more elastic. The first time you have sex is not necessarily bleeding. Therefore, virginity cannot be determined by whether the first sex was bleeding or not.
5. Masturbation does not cause impotence and premature ejaculation
Masturbation is not harmful to the body. Moderate masturbation can regulate the body and mind and relieve sexual depression and desire. Difficulties with erections and decreased libido caused by masturbation are only temporary. Don’t worry too much. But make sure you know how often you masturbate.
6. Lack of pubic hair has nothing to do with sexual desire
Some people believe that the more pubic hair, the more sexual desire, but there is no scientific evidence for this. The strength of pubic hair is related to genetics and male hormones, which do affect male libido, but are not the only determinant.
7. Watching porn will not cause impotence
Far from causing impotence, watching porn can actually make men more sexually aroused. But the only drawback is that it is far from real life. If men watch too many pornographic movies, it will reduce their confidence in sex, and the worst is to cause sexual apathy.
Warm reminder
Sex is a two-person affair, and only a man and a woman can cooperate to achieve a good sex. If you occasionally have impotence or premature ejaculation once or twice, don’t lose heart and don’t carry too much psychological pressure. If persistent impotence or premature ejaculation, need to go to the hospital to find out the cause, can not use aphrodisiac drugs.