Welcome here LBrooke. Great news that you are pursuing help for your addiction.
I've been sober for 5 days, so take that into account for the rest of what you read.
From a man's perspective, if I were emotionally involved with someone and they were going through a huge personal crisis, and they told me that I should keep my beak out of it, I'd feel rather hurt by that. I'd feel like that person was not very emotionally involved with me. Didn't trust me. Didn't think I could be supportive. I'd try not to be a tool and dump the woman right at her most vulnerable time, but I'd be planning my exit strategy.
Keeping him at arm's length might be the right choice for you at this time, I can't answer that. I'm just trying to point out how it might be making him feel.
Best of luck and stay strong!