Hi, You might need to work on your technique and also some guidance to help you get your issue resolved. There is a possibility your glans penis must have become hyper sensitive. The issue as described by you above is termed as premature ejaculation. I understand how this problem might have become the biggest problem of your life recently. Premature ejaculation is a common problem among men. About 30% to 40% of men have this problem at some time in their lives. I believe in your case your penis might have become hyper sensitive. Does it happen sometime you get erection you feel you should go in and the moment you try to enter it goes down and you ejaculate? Let me explain you about your issue in brief - The problem of premature ejaculation have become very common in recent days. Premature ejaculation (PE) is when ejaculation happens sooner than a man or his partner would like during sex. Occasional PE is also known as rapid ejaculation, premature climax or early ejaculation. PE might not be a cause for worry, but it can be frustrating if it makes sex less enjoyable and impacts relationships. If it happens often and causes problems. The problem is often thought to be psychological, but biology may also play a role. However this issue is not a major cause to worry as there are medications and treatment available for the same. Rest assured your problem can be resolved.

4 minute period is quite normal Relax.! And don't don't panic

Its ok Take proper knowledge about this Consult with me