I too had a lump in my throat reading your post. How can you move on if he is around "fixing up" the house. It sounds way to complicated. Plus, wouldn't giving him time alone to come all the way out of this, if he ever does, wouldn't that be best for him?
NLF
You must grow in patience when you meet with great wrongs, and they will then be powerless to vex your mind. ---Leonardo da Vinci