Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry too much. Masturbation three or four times a day is really tiresome. I doubt you do not have any other productive duties like studying or career etc. That could be first reason for your erectile dysfunction. You are aware that excessive masturbation causes trouble. Still you did it without rest. That made you anxious and you felt the somatoform disorder in your penis. Reduce masturbation for twice or thrice a week and you shall feel the difference. For psychological / sexological counseling, visit http://psychocure.webs.com/ Hope this answers your query. Available for further clarifications. Good luck.