Just catching up here. I'd say a separate room is a good idea.

The stuff with your sister is tough. I have a similar deal with my mom. Working on that in IC & reading facing Codependence by Pia mellody.

Hope you are feeling better!

M: 9 yrs
T: 13 yrs
H:34 Me:35, S4, D2, S 7 months
Dday 11/12-PA & multiple PAs
Dbing 12/12
S 1/13
7/13 H moved back in basement.
8/13 #3 born
10/13 still cheating
10/13 He moves across country, I file for D