Otherwise completely normal conversation, somehow covid gets mentioned (not hard nowadays), and eventually something I say will trigger it, the response is INSTANT, I can be mid sentence but I guess whatever word I said was a trigger: totally blank dead inside look, completely motionless.

One problem is that even if you ask her she doesn't really have a firm belief on anything. The type of person that if given the chance when asked what her beliefs are would call all her friends and go with the majority belief there