I got nothing on that. I'm at the same point pretty much as you are other than my W hasn't moved out. She has suggested stuff like that, but never made any attempt to make it a reality.
If you were invited by MIL and your daughter said something, maybe just ask your W if she has any objection to you coming since you had been invited by her family. It could be a chance to show that you are validating her feelings and respecting her. Or it could show weakness. I don't know. Maybe one of the vets can chime in.
M: 36 yo W: 36 yo S: 7 D: 4 M: 13 yrs BD: 6/14 (??) PE Confirmed 7/15 (4 months) The road to recovery starts now