Beginning conversation: Everything is fine. Sometime later on: He will ask for your name (again) and start forgetting your name a bit, but not often. Later: He will begin forgetting what you were talking about. More time later: He will get moody and aggressive. Later on: Will get frequently confused and forget often. Even later on: Major personality changes. Almost near end of conversation: Is unable to speak correctly, doesn't think, forgets everything. End of talk: Remembers then dies.