15 years ago, I was part of a school musical production. As a member of the supporting cast, I was given one line to deliver. Sounds easy enough, right? Everything was fine during rehearsals. But on the day of the show, I flubbed that one line. Objectively speaking, that made no difference to the show which went on just fine. But inside, I felt like crap. The inner critic within me went — Just one line and you can’t even do that properly. I think you aren’t cut out for acting. It’s not like I became a wallflower or anything...