His recovery/his relapse/his problem to find a solution for, in my opinion.
I don't expect to talk through all of my Codie mistakes/growth points during a mutual counseling session because they don't require anything on his part - that's all me. He's still impacted, but it's MY problem to fix.
I fail to see how couples counseling would be beneficial for something that comes down to individual accountability & control. One of my favorite SR quotes is something like, "going to couples counseling with an active addict is sort of like brushing your teeth while eating oreos" Counterproductive.