What a terrible thing to have happened to that person. That sounds to me like some kind of a stroke. I've seen that happen in some elderly people— one day to the next, unable to process basic information like, how to find the bank and where's the house? Also, fits of sudden and totally uncalled for public rage fits. And the lack of self-awareness many brain damaged people have with their personal grooming and dress can sometimes also be, well, remarkable. It seems it's a tell that something's the matter upstairs.

Yesterday in conversation a friend asked, what's going to happen to all the severely autistic people when they grow up and their parents pass away?