I don't feel like posting my story, but feel free to look it up. It's horrendous. But it has the same theme as all the others on here: lies, manipulation, broken promises, gaslighting, etc.
Your husband is becoming more comfortable about his drug use. It's almost like he's daring you to actually stick to your word. It probably won't be long before he takes you along on his drug runs, whether you know it or not. I would definitely not be surprised if he's already done so with the kids.