I sometimes lament the fact that I do not have the benefit of a complete and ailment free body structure.
But I think it's always difficult when a product that you're using and accustomed to changes.
Then, in 2000, John Reid, Elton John's former manager, asked me to audition for the stage version of The Graduate he was producing. So I worked on it, got the part, and after three weeks' rehearsal I was on stage!