My husband has a friend that lives near us and he stated that his doctor told him that he has dementia. At this time, he tells my husband and I that he feels like he is going "crazy". Then boom, overnight, something happened to his mind. Now, he walks back and forth looking out the window, doesn't talk much anymore, can not wash himself, does not know when he is hungry, etc. etc. I'm just lost for words … I thought dementia was a slow gradual process. Does this sound normal to you guys? I don't know why but I just get a gut feeling about this. Thanks you all.