I am 25 years male recently started getting physical relationship since last november and has been physical twice or thrice. I suffer erectile dysfunction not proper ed I can say but it's not that hard like it used to be during masturbation and doesn't maintain for that long it looses it's erection in less than a minute I have had my all checkups heart, diabetes ,blood. Pressure all is fine. Once I consumed manforce 50 mg it effected a lot. Kindly help.