Have you set a exact date of you and your sons's move yet? The way things are going your wife will most likely ask not to move after this semester but after the summer. It also sounds like your wife is continuing to sleep on the couch even after the arrival of the new bed. The water bed(slept in for 20+ yrs)but now giving her a bad back excuse can't be used anymore. At some point all the cards need to be thrown on the table.
