I really enjoyed it. Much appreciation to you. Glad to hear that objective testing is showing improvement in your knee. Hopefully this will progress. Saying you don't have time for skilled relaxation is like saying you don't have time to get better.
Skilled relaxation takes only a short amount of time.
The connection between your bodies innate ability to heal is directly tied to the mental benefits of skilled relaxation. When you decide to start walking spend some of that time doing skilled relaxation. The skilled relaxation will serve you much better. This thing you need, you can probably go 2 minutes without. Your brain can only go about 3 minutes without.