Sir i m 26 years old guy from india, i masturbated for many years in a prone position means lying on bed and rubbing my organ on bed as a result i have got severe ed and there was no erection at all, i quit masturbation six months ago and after that i am seeing lots of improvement in my erection but still not enough to have sex ,as i can get erection with physical stimulation only and not be able to maintain it, morning wood is there but not so strong,and no erection with mental stumulation,rest i am a very healthy guy but sometimes i feel little bit tired ,sir kindly help me in getting my manhood completely back