Hello dear Understand your concern I think stress and anxiety because of job are the main reason for the erectile dysfunction. Avoid to live alone and take your wife with you for better and healthy life. Other causes of erectile dysfunction like diabetes, hypertension, obesity, back nerve problem should be excluded. Take the following advice: Avoid stress and be relax while doing sex, do regular exercise like walking and yoga, avoid smoking and alcohol, take high protein diet and fresh fruits , anti oxidant rich item like almonds and tablet CO Q. Use condoms and lubrication during sex, do pelvic exercise, try women on top position. For testosterone deficiency, testosterone injection can be tried after consulting the urologist. If problem persists then medicine like sildenafil and paroxentine should be advisable after the getting advice form the urologist. Hope this may help you Contact HCM for further health query Best regards Dr. Sagar