Hello dear I understand your concern Masturbation does not cause premature ejaculation. Your symptoms could be due to psychological problem like anxiety about the performance failures in the bed in past, anxiety about partner s satisfaction, Marital disharmony if any, ongoing stress at home and at work place(if any), Excessive fatigue I would like to advice you for health check up and get the following test done to rule out any underlying medical concerns in the first place : Fasting and postprandial blood sugar, serum testosterone level, Ultrasound pelvis and scrotum. If all of those investigation results comes within normal range, then you should go for sexual counselling and psychotherapy by visiting a psychiatrist Meanwhile , following advises will help you: Do regular exercise like walking, yoga, kegel exercise, breathing exercises. Free communication and mutual understanding with partner will help. During sex, you have to give proper time for foreplay before going for penetration. Foreplay should continue even during the intercourse also. Use double condom or apply benzocaine gel on condom, try women on top position, avoid stress while having sex. If problem persists then take tablet sildenafil and paroxentiene 30-60 minutes before sex after proper evaluation Contact further if follow up needed Best regards Dr. SagarHope this may help you