I know you're hurting right now but you've come to the right place. Finish up that DB book and get Divorce Remedy- I really like DR the best.
The best way for us to help is to understand more and more about your sitch. The interactions between you and H help the most. However, you should see which DB principles you want to implement before you go full on interacting with your H.
Also, it sounds like you are both still in the house and willing to work on things at least a little? What is the chance for going to some counseling at this point?