I agree, English Garden said it well.
Putting distance between you right now keeps you safe, and gives you your home back, your safe place. If he really wants recovery he will find it, if he doesn't, you will see that more clearly from a safe distance.
I know this is hard for you and sad for him. There is an old saying "Let go or get dragged" and never was it more appropriate than when trying to live with an active addict.
Hugs