It's so funny you posted this. A great SI friend and I were just talking about this. This is when I think growing up in a fucked childhood is actually beneficial.
It's possible to silo very easily. There were no patterns. No certainty. While you could be "safe" for weeks you could be in danger just that quick with no warning or notice.
That's what I imagine recovering from a monumental trauma like this is like. Silo'd. No flow or pattern. Not for some time.
Just treat each situation as if nothing else preceeded it. Focus on what is going on right at that time. If its good, it's great. If it isn't you respond and empathize.
I can imagine she's getting used the this too. She felt her life was very real and counted on that reality. D day would just start the unraveling processes of her past like a string that's pulled. You can't stop it. It pulls structure and support from all load bearing beams and makes everything unstable and precarious.
Even the present can't be trusted. It takes some time to adjust, no doubt.
Dramamine and digging in. You've got the right attitude in what you stated about being there and working on yourself. Learning to balance while unbalanced is a priceless skill set in life.
'til the roof comes off. 'til the lights go out. 'til my legs give out, can't shut my mouth