Please don't get your hopes up but......Don't close the door. I think you e-mailing him back sound fine. You both seem to recognize that HE needs to be the one to fix him but that does not mean you can't help him. I think for your own good you need to try this one last time because if not you will always have this "What IF" hanging over your head.
Husband
And if I claim to be a wise man, well It surely means that I don't know