Foreplay is an indispensable prelude to perfect sex, but is all foreplay recommended? Of course not, doctors point out that the following three types of foreplay cannot be used for a long time.

Danger Prelude 1: Alcohol

I don’t know if it really comes from ancient customs or if it is a romantic fabrication by a director who had a sudden inspiration. In short, alcohol has become a commonly used erotic stimulant in movies. . Shakespeare was the first to point out that "wine stimulates passion, but makes action in vain." It is true that alcohol appears to help one's nature, but in fact it destroys one's nature. Traditional Chinese medicine has believed since ancient times that having sex after drinking consumes qi and damages essence. Although the excitability of the brain nervous system is temporarily enhanced after drinking alcohol, sexual function is temporarily reduced. Women may have ovarian dysfunction, affecting normal ovulation; men may have difficulty erecting or shortening their duration. Drunk sex will also increase testicular binding globulin in men, damage the testicles, and weaken their ability to produce testosterone (sex hormone). In addition, 70% of sperm after drinking may be underdeveloped. If pregnancy occurs under this condition, 26% of the fetus will Health problems, especially intellectual disabilities

Tips: Whether you choose imported champagne, strong liquor, popular draft beer, or wine that is always labeled with a health label, all " Abstinence.

Danger Prelude 2: Hot Bath

Being clean and hygienic before having sex is certainly understandable, but many people Treat the two-person bathing that lasts for tens of minutes as a prelude to sex. In fact, hot water bathing for more than 5 minutes consumes a lot of physical energy, and sex requires sufficient physical energy reserves. In this case, the duration of sex is often shortened. , the human body gradually relaxes under the action of hot water, and the whole body enters a resting state, and it is difficult for various organs to be excited quickly. Intense sex will cause rapid congestion and damage to sexual organs, and rapid stretching can easily damage muscle fibers. Hot water baths will reduce the sensitivity of the human body, especially the sensitivity of the female sexual organs. At this time, it will be more difficult to reach orgasm.

Tips: If you do body cleaning before sex, Please limit the time to less than 5 minutes; if you want to enjoy a romantic double bath, please move the lingering time to after sex.

Dangerous Prelude 3: Movies

If you go back to the source, erotic movies. One of the reasons why it appears is to increase the sex hormone content in the body by a few percentage points before sex. However, the latest research has found that increasingly fragrant visual stimulation makes the human nervous system extremely excited. When having sex under such high stimulation, the brain will be damaged. They are often in a state of hypoxia. Although temporary brain hypoxia can add fantastic sexual pleasure to some people, over time, when brain hypoxia exceeds physiological limits, people will feel dizzy and collapsed. Do not use these things anymore. Symptoms are regarded as normal consequences of intense sex. They are actually manifestations of out-of-control autonomic nerves in the human body. If things go on like this, heart and brain functions will be damaged.

Tips: You may wish to use more "natural" touches and kisses. "Stimulation to stimulate lust, and of course your love words.