<s>[INST] Hi, am 24 yrs i have usually doing Masturbation since 8 yrs ago and now i feel like my penis muscles are lost erection and i cant help it or stop it though i have a girlfriend but still i cant stop doing it, so concerning my erection is there ways to bring it normal quality like i used to be because am so worry right now [/INST] HelloThanks for your query, based on the facts that you have posted it appears that you have been indulged in masturbation since 8 years and now facing problems related to sexual activities.First there is myth in a mind of common man that excessive masturbation is the reason of all sexual problems But I would like to state that it has been discussed in scientific forums all over the world and proved scientifically that masturbation does not have any negative effect on any organ or system in the body. All the problems that you are facing now are mind related and due to anxiety. Following measure will help you to boost up your confidence and getting good erection. And delay ejaculation.1) Practice regular exercise for 45 minutes followed by meditation for 1/2 an hour in the morning.2) Take high protein diet rich in vegetables and fruits and vitamin A, C,D, E.and Zinc3)Take anti oxidants like Almonds 5-6 every day.4) Avoid alcohol and smoking. Try to reduce the frequency of masturbation. Chat Doctor. . </s>