After 41 years of doing anything, it's possible, even likely, that at some point you start to slip. The Fear of Incompetence keeps me on my toes, even if I may not be the first to notice my inevitable decay. I was feeling down after a few shows where I thought my end was off. Not just what comes out of my mouth, but what records I choose to play. When that happens, I listen to an old show or look at an old playlist. Whew! I'm no worse than I was during Reagan's first term.