Well, I've "been there, doing that."

I'm basically telling you what my wife would have to do to turn things around with me at this point. Sadly, she hasn't yet. She might, she might not. In the meantime I've resolved myself to survive on masturbation (which is all I had before I got married anyway). And yes, I've made peace with the possibility that that might be for the rest of my life.

Divorce isn't even in the realm of consideration; we love each other too much for that.

But as far as trying to work to fix things, I can honestly say I've been doing it all, for better than a decade now. I was in denial for a long time, and it's been a long time coming, but as of a few months ago I've made peace with the fact that any further efforts on my part would be futile until and unless she starts making an effort of her own.