Disconnecting from Constant Perfecting

Add my "perfectionist tendencies" to this mix, and now I'm cooking with a recipe for disaster. It's easy to tell myself, "You're never going to learn all that music." "You don't have the piano-playing chops you had in college, what makes you think you can play this now?" "These pieces aren't that hard. Why are you having so much trouble getting them?" "You can sing for comedy, but can you sing seriously?" "Your voice after that thyroid surgery 10 years ago isn't the same.