This was/is me too... since the first time I got high on marijuana at 17, I immediately bought some and started smoking every single day. Up until 26 I smoked almost literally every day, and at 23 I started taking lots of other things too (I occasionally took other things before then). Also at 20 I started using kratom which led to a 10-year, life-altering addiction I just recently got over, that gradually progressed to poppy tea (morphine/codeine/etc). Even now I still sometimes have to struggle with wanting to get high every day. And in fact I do usually smoke a little weed every day, only at night now, not 24/7 by any means, and not literally every day and for example when I go on vacation with my family I just don't the whole time and I'm fine (unlike when I was younger when I would always make sure I found a way to get some there whether it was sneaking some on the plane or mailing it to myself elsewhere). And when I run out and can't afford more I just go without. I find for me it's gotten easier as time goes on, and I am more and more satisfied with being sober, but this is a recent development catalyzed by my quitting opiates. Opiates, for me, turned into a whole separate addiction from my poly-drug addiction that was infinitely more destructive to me. I noticed you said opiates... are you physically addicted to them? Heavy use of opiates will slowly destroy your life in such a sinister and sneaky way. The low places I went as a result of opiates are frightening for me to think about now.
It's weird because I wasn't ever using drugs to cover anything up, I was using them to enhance my life that I already loved. In my mid-twenties I was taking psychedelics VERY often, and my thought process was always, "hey, I feel good, but I could feel even BETTER and have an even MORE interesting day if I take this!" That was how opiates started too, but then after I got addicted, it became a feedback loop, I felt shitty without them so I kept doing them, digging me further and further in.
I feel that I can deal with my poly-drug addiction, minus the opiates. I have just been working on developing more willpower, and (very importantly) filling my life with other things, healthy things. Working out 5 days a week has helped more than anything else, along with eating well. These two factors (especially the working out) make such a tremendous difference for me.