Deane,
YOu said it yourself really : " Funny, but the last 2 months I have felt better than I have for 3 years. Never exhausted - never anxious - never worried about anything ".
Seems to me that this road which you were kind of forced upon by the Corona crisis is very worthwhile pursuing in time to come.
At your age and with your career why not sit back and enjoy the little things in life and play the keyboard if and when the desire rears its inviting head. I know I would.....
YOu and I have been a member of this great forum for almost the same amount of time and it has always been a pleasure to communicate with you. Shame we failed to meet years ago when you were in Amsterdam for a river cruise in Europe.
Being 80 ( when exactly is your birthday ?) ,having had the pleasure of a lovely wife for nigh on sixty years now and having spent most of your years in good health ( I know you had serious surgery in later years) and having this great hobby, you are a blessed man, and I wish you and your wife all that is good in life !
take care,
John
P.S. sent you an email.