...she stole the MBR back with D4 while I was taking care of S1....
Then you sleep in the same bed as her.
This. Get ready and get into the bed. When she blows up you simply say "Sorry, but I like sleeping in here." She'll either eventually stop complaining, or go sleep somewhere else. You don't care which.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018