The quality of sex life of modern men is becoming more and more demanding, and more and more patients are consulting through medical software, many of them are asking the following questions: Doctor, what should I do if I have severe premature ejaculation? I can’t get off in 10 minutes, is it hopeless? I don’t have that strong pleasure when I ejaculate, is it premature ejaculation …… It is necessary to clarify the definition and classification of premature ejaculation before discussing the issue of premature ejaculation. The definition of premature ejaculation has been controversial due to lack of evidence and inconsistent operational standards. The ISSM (International Society for Sexual Medicine) expert group has proposed the first contemporary meta-evidence-based definition of premature ejaculation, specifically: “Ejaculation always or almost always occurs within 1 minute of penile penetration. Failure to delay ejaculation every time or almost every time of intravaginal intercourse; can cause negative effects such as distress, apprehension, frustration, and/or avoidance of sex”. From this more authoritative definition, we can see that premature ejaculation has the following diagnostic points: 1. short latency time in the vagina 2. inability to delay ejaculation 3. negative effects from premature ejaculation. Let’s analyze these points one by one. First of all, IELT (intravaginal latency time) is the length of time from vaginal insertion to ejaculation, which can be measured with a stopwatch during intercourse. Some people have also asked if there is any sexual pleasure in using a stopwatch to measure time during intercourse. But sometimes scientific research is so rigorous. A randomized cohort study of 491 men selected from the Netherlands, the United Kingdom, the United States, Spain and Turkey yielded a median IELT of 5.4 minutes. We will not sigh the original neighboring countries of the men of the time is not long ah. In fact, look at love action movies for fun is beneficial, but if you think that the scenes in which often several hours of golden gun is also real, then you will be tooyangtoosimple. The IELT time is shorter than 1 minute, even if it is premature ejaculation? Just now when we described the diagnosis of premature ejaculation points also mentioned a point: can not delay ejaculation. It’s time for science fiction again: ejaculation latency time and ejaculation control are actually two relatively independent concepts. For example, the latency time of ejaculation of student A is always less than 1 minute, but within this minute, the ejaculation of student A is within his control, which means that the final ejaculation is voluntary and not forced to surrender. This is his freedom of choice, which is called ejaculatory control. Therefore, student A’s IELT time is always less than 1 minute, but he can delay ejaculation, so it is not defined as premature ejaculation. Then some friends ask if the latency time of ejaculation of student B is less than 1 minute and he cannot delay ejaculation, is it considered premature ejaculation? The answer is still not diagnostic! Premature ejaculation is one of the few disorders that need to be diagnosed in a way that integrates the feelings of both men and women. For example, although this student B has a short IELT time and poor ejaculation control, his lover achieves sexual satisfaction in just one minute, and the student B himself is not bothered by the short time, so there is no need to diagnose him as premature ejaculation. In this regard, premature ejaculation is the “unsynchronization” of the couple, which means that the male ejaculates earlier than the partner expects. If a sexually inexperienced or pure virgin meets a sexually experienced girlfriend, even if his IELT time is greater than 1 minute or even greater than 10 minutes, but his girlfriend’s sexual experience has a talented ex-boyfriend’s record of often half an hour, then their sex life is out of sync, the woman is not satisfied, and the man will also produce self-blame or even depression and avoid sex. The woman will not be satisfied and the man will become self-conscious or even depressed and avoid sex.