I think switching opiates to pot is a very good start. If you've been 7 yrs on opiate abuse, i wouldn't hurry too much to try to be completely sober. It might be just too hard task and cause relapse. Of course it's better not to smoke pot for the rest of your life so maybe a new year promise for 2017?

I was addicted to opiate based painkillers and it took long time to get rid of them. Alcohol helped (Not recommended treatment) as i was alcoholic already. Maybe after year i could say i was off from opiates. Wasn't easy, I even bought cough medicine with some kind of codeine compound and drank one bottle in a day. It was desperate... But i'm easily addicted to anything...