I'm aware that this is a sensitive question and don't wish to cause offence. I am just trying to gauge how potentially the course of dementia could pan out. I have a very elderly relative, she is nearly 98, who has exhibited the later stages of dementia for approximately 2 years. She is totally immobile, bed bound, eats and drinks miniscule amounts, sleeps a lot, incontinent, but still very chatty - albeit unintelligible a lot of the time. She has been like this for the past couple of years. We are quite frankly, amazed that that given her frail state, she continues as she does. Obviously everyone's dementia journey is different, so set timeframes can't be determined, but I am interested to know how long pwd - with no other illness - could potentially plod on for? It breaks my heart seeing her as a shell of her former self.