For me 1: kick her out of MBR for good. Lock on door if necessary.then 2 and 5
It is possible to detach without appearing rude or ignoring her. Emotional detachment means your emotions are not tied to her actions.
Me49 W45 T15 M13 S11 S8 BD 11/15/11 & 3/27/12 Moved out 4/9/12 Moved back 4/23/12 W working on US 5/20/12 Now Piecing! May-Oct14 drifting Dec 14 W agrees to more QT BD Oct15 ILYBINILWY W filed 1/25/16