We can all talk to you until we are blue in the face but ultimately you have to travel as far down this road as it takes you before you realize there is no Oz there usually are no happy endings with active addicts.
Most of us get pretty far down the road before we reach that fork, do we continue on or do we get off?
Best to do research on addiction especially opiate addiction. Look into addict behavior, lying, manipulating like he’s already doing to you are very typical and as the addiction grows so does the behaviors.
5 years is a very long time to be on subs, let alone to be on them off the street and not under a doctor’s care.
One of the things I learned the hard way was when he told me about his drug usage and was looking for kudo’s on being honest with me, WELL, 9 out of 10 times he was only telling me a ¼ of the truth about his actual drug usage.