Rubicon, I could get into much more info but it's personal. I would say dementia played a part but yet he was very intelligent, an electrical engineer. They just had absolutely no common sense. When I first got to the house there were many vines hanging down from the whole porch ceiling, ending just above my head; I have never seen anything like it. I told him they had to go and he cut them down the next day. But it never occurred to him to cut them down before I mentioned it.