Sexual problem. Effect of u r treatment!

Dear sir My age is 30 years I am a married and I have a son but know I have so much problem in my sex life I can not satisfied my wife no mood of sex I am doing materbution before my marriage so much. so the size of my penish in normal size is 2.5" to 3 " and after excited is about 5 to 6 inch and so much thin and so weak no hardness and my sex time is so less I feal so much weakness after doing less sex I take vigora 100 before sex for doing sex but know I want perfect and permanent cure I take beer but not regularly I not a smoker I take tobacco regularly I feel that I have dhatu rog as well Send me what to do and if u cure my desease what will it cost to me for full cure and how much time it takes to see the effect of u r treatment