Awkward Situation Got Much Worse (part 4 )

[Tate]

For my education, from those who have left their homes without divorcing, what do you recommend for handling finances, kids, property? Ie, do you open new bank accounts, take all you belongings, and set up custody as if divorced?

I fear that me leaving will ultimately lose me custody of kids and our house as well as put me in a disadvantage in any negotiations. Is there a way to pursuade my W to leave?

Of course the usual Friday night couch sleep drama went on tonight...son(11) was sitting on couch with me. W asked us both to move to another couch so she could go to sleep. I was hoping my son would ask why she needed to sleep on the couch, but he simply moved. I ignored my W and stayed there until I was ready to go to bed. I ended up staying up a bit longer with my son, and my W sat there on Facebook. I sat down on the couch again, and a couple minutes later, my W asked me to move so she could lay down. I told her she could sleep in the bedroom because we were using the living room. She told me that she sleeps on the couch now and I was being tacky. I tucked my son in and went to bed.

Should I have handled this situation differently?