Rzznstr and Bahcan,
Thanks! I am taking it one step at a time and breaking everything down into components and the basics for each exercise or behavior.
Boomer is still going strong and doing great. He could probably work another year. You are right, he has earned his retirement and 10 is a good age to retire.
Here is a pic of Boomer from this past summer:
“Beware of false knowledge; it is more dangerous than ignorance”. George Bernard Shaw