Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. This obsession is not related to dexedrine, but there are every possibility that you had wrongly obsessed the masturbation habit with dexedrine. Overcoming masturbation obsession is taken care of with the help of sexual education and vocational therapy. Exercise regularly and go for a job and concentrate on your career. You shall be tired by the time you reach home and you cannot masturbate because you are tired. Even if you do, it shall not be pleasurable. Slowly you shall become averse to it. If you require more of my help in this aspect, Please post a direct question to me in this website. Make sure that you include every minute details possible. I shall prescribe the needed psychotherapy techniques which should help you cure your condition further. Hope this answers your query. Available for further clarifications. Good luck.