Hello dear I understand your concern I think obesity/overweight cause of erectile dysfunction. You should consult the urologist for better management. Undergo following investigation: serum testosterone, semen analysis, USG scan of pelvis, blood pressure check up, blood sugar for diabetes. Doctor will give following advises: Avoid stress, do regular exercise like swimming, running and reduce the weight. Avoid: excessive sweets, smoking and alcohol. Drink plenty of water Take healthy diet like green leafy vegetables, fresh fruits and almonds Tablet vitamin supplements and tablet Co Q. Avoid sex when you are tired. Spend more time in the foreplay before sexual entecourse. Try women on top position If above advice will not help then Tablet sildenafil plus paroxentine can be use before the sex. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar