Jim, it is good to hear that you remain vertical, as do I. Hang in there! I remember as a 2LT a friend always said, "When the going gets tough; the tough get going." I have never forgotten that and every time I am ready to throw in the towel, I just "get going" again.
Here in GA once you hit SS age, you can go to college free. So I have been going back to college to take those courses that I was not interested in the first time that I went through. I just finished a course on Constitutional Law. The professor was a corporate attorney. To sum up that experience: before the course was over, the professor got into the habit of asking me if he was correct anytime that he introduced an issue about which he was unsure -- or thought I might have deeper insight. At the end of the course all of the students came by my desk -- it takes me longer to leave than the youngsters--and shook my hand to say good-by.
Some of the stuff that I pick up on this website is most useful. Now I have to get back to work. One more thing: occasionally I am asked to speak on the Income Tax -- can you believe it? -- the same people ask me to come back and do it again to more people. Gotta run. Bad Bob