Hi thanks for contacting HCM... You are doing masturbation since seven year ... Now after marriage you cannot satisfy your wife ... Here mostly it seems to be performance anxiety mainly ..... While doing sex fore play done more .... Do sex in comfortable position and be relax.... If you are overweight lose wright ... Regular exercise done ... Avoid smoking and alcohol.... Take healthy and balanced diet.... If still problem there investigate with..... -RBS for diabetis -Serum cholesterol -blood pressure measurement -rule out cardiac history -serum testosterone and prolactin If you are using certain drug like thiazide diuretic then also problem can occur ... These is all I explained you us for your good education and help in resolving your problem... Sidenafil like drug useful that can be taken 30 minute before ejaculation.... Consult psychiatrist for that . Dr.parth