Talk to Endocrinologist on Baby Problem

Hello Islam, my name is Usman, I am 34 years old, I have been married for 5 years, I have a daughter, after that I have not had any children, I have tried a lot, now it is the case that if I go to my wife, I will not have any lust. When I come, I get rid of it quickly. After that, my nafs loosens immediately. After that, I get very tired and it doesn't happen more than once and it doesn't happen every day. I don't know what has become of the 6 days, I go to my wife. Please, sir, if there is any male weakness, then tell me the solution.