My fiancee has been going to a methadone clinic for over four years now for a past opiate addiction. He is currently taking 70 mg of methadone. I have caught him several times doubling or tripling his doses to get high and then having to buy methadone on the street. He also drinks alcohol on a daily basis. How do I get him to take control of this. How long do these clinics keep patients on these drugs and what is the proper dosing schedule?