I understand what you are saying. To him, and in his mind, he may consider it nagging even if that is not what you meant.
I honestly would lay off talking to him about getting her moved out, etc. for awhile and see what happens. It takes time and things do not happen overnight as you well know.
The Bomb: 08/05 H moves out: 06/2006 H moves back: 01/07 & Out again: 01/07 H moves back: 03/08 & Out again: 04/08 H moves back: 05/09 & Out again: 07/09 Divorced 08-12 Kids: 22, 20, 19