"I think my AH is out trying to get drugs right now."
You seem surprised by this. It's what addicts do.
And as long as he tries to "manage" his addiction on his own, he will continue to do drugs.
Period.
If a stranger were to be around you and your kids high, would you allow it?
Is that safe, smart, healthy, wise? Would you let them steal from you & your children? Would you let them put your home in jeopardy? Lie to you?
Then why do you allow him to do the same?
Nothing changes if nothing changes.
It all starts with you.