Bale C, couldn't the constant having to be reminded to turn for the camera, the seeming confusion to stay on stage, or not - all that kind of stuff, as there has been much more - be signs of pre-dementia, or even early onset?
We don't know how much memory loss he suffers. How is he at following simple directions like knowing when to stand on stage, or when to walk off? He certainly looks like he has mood swings. And possible language disturbances. The fifth in the article below is medical tests. It's unlikely he has had any for dementia. If he had had could we trust the public result as he has written his own medical report before.
5 Early Signs Of Dementia (And Why Everyone Should Know Them)
From forgetfulness to sudden mood changes, here's a look at the early symptoms and what to do next.
Experts: Trump’s Speaking Style “Raises Questions About His Brain Health” Those sentence fragments and crimes against syntax are also bigly causes for concern. by Bess Levin May 24, 2017 12:37 pm https://www.vanityfair.com/news/2017/05/donald-trump-brain-health
Sorry to hear of your Dad. That said, remember you are only talking about one person, and we are all different.
It was Plato who said, “He, O men, is the wisest, who like Socrates, knows that his wisdom is in truth worth nothing”