Makes a lot of sense, Maybell. We can only take responsibility for our part of the R. There is work they would need to do, too.
But I think you are getting ahead of yourself a bit. First step is for him (and you?) to decide whether there is enough hope to give it a go. And then. .. get lots of good, professional support. All the stuff you mentioned would come out in MC if you get to that point, wouldn't it? And.. maybe he has been missing that stuff too?
It's only recently that I've realized there are so many resources to help people build and maintain strong marriages. Too bad I didn't know earlier, but the good news is that they exist for the next time.