This reads, lightly, like a clinical psychosis situation, presenting a kind of mania with delusion. It can have different diagnoses, of course. As I understand

This reads, lightly, like a clinical psychosis situation, presenting a kind of mania with delusion. It can have different diagnoses, of course. As I understand it, there is _almost nothing_ short of medications that will deescalate it. There are people who manage their reality breaks successfully without. Calling the professionals is 100% the right thing to do. I would also move unless you and he commit to you being a live-in psych nurse. I don't recommend it. I would not break contact, but this is a sharp gap in shared reality that is going to be very dicey to live in the same space next to. I have lived with a family member with very serious mental illness, and it is no joke. I do not recommend without a major personal commitment.