Great to hear you are sharing Kelly’s work with your friends and seeing improvements within your situation.
You are fine to talk about other books to find out more.
One impacting factor is how you are hanging from the bar.
As you note if you are in a bad position this isn’t good. Needs to be in a good position first.
This may have helped a symptom of the issue and didn’t address the cause of the issue which is why it returned.