I think the power of weed is nothing like opiates.
The dangerous thing about opiates is even after a person detoxes from them, the brain vividly remembers what it's like to be under the influence of them. And someone under the influence of opiates feels nothing but bliss. There's no emotional pain or suffering. There's just that feeling. So when a person is in the early stages of recovery from opiate addiction, and their feelings and emotions are seemingly cranked to 11, his brain is going,
We know how to make this go away. Thus, they pick up, and the whole destructive cycle begins anew.
There is literally nothing you can do for him, Jessica. But as I've pointed out to you recently, you have choices. They may not be the ones you want, but that's still better than having no choices at all.