Rob,
I was thinking about you today and the painting job that is before you. I remember years ago painting the entire downstairs of our home when I was off in the summer, Yes, the prep is the worst. I also remember feeling so resentful of my H because he did not lift a finger to help, even while I was caring for 3 kids. The resentment made the job much harder. I wish I had done it , realizing he was working and also did not have the skills or interest. If only we could have been supportive of each other , it would have been so much easier. So, Of course you are putting this off, it is another signal to you that your family is split. Try to think of the job as a step in getting a better life. If not with w than someone else. Also the wonderful way you are handling the issues between you and W about D , will help D have positive relationships with men, no matter how hard your W is trying ( maybe not realizing it) to make sure that does not happen.