I am 52 years old. My problem is sex related. Before 6 month my penis was ok proper erection, hard. But now my penis is loose, not hard, erection problem, quickly discharge. Not quick response by penis on seeing adult film or at the time of intercourse. I took vigora 100, suhagra 100, tazzle 5. But now these medicines not giving me result. I took ayurvedic medicine .but not result. I took hammer of thor medicine also. I am worried about theses problem. What I can do? Please suggest me medicine whose quickly response. I want my penis hard on erection, away from premature ejaculation, length big. Pl. Suggest me only allopathic medicine. Ayurvedic medicine se kuchh nahin hota. Pl quick solve my problems. My weight 72 kg.