Hello! my name is Ali. I am the civilian of Pakistan.My problem is i start masturbation when i was 12.And now my age is 22.I stopped masturbation 4 months ago.But now i have serious pain in my booth knees. Also in my muscles & backbone.I cannot participate in any game or any activity.I cannot concentrate on my work.My penis is too weak. Think about any girl penis stand up and ejaculate. I am seriously disappointed from my life.Please help me?