If you have guests staying with you and it’s time for them to get up, grab a songbook and start playing – even throw in some vocals. They’ll be cool with it because it’s just part of the experience. If they come back then maybe you aren’t really too bad after all. If you get a comment like “you do pretty good with that” then bingo – you’re a star!
If the cable guy is there and you start playing, and when he’s done with his work comes in and starts playing your piano like you can’t believe he’s the cable guy and not Ray Charles – don’t worry about it. Now you found someone who has the “M” as bad as you do or worse. It’s a good thing.