We’ve all been there: In the audience when a promise was made and then blatantly broken to us. The Boss who lured you to the new job with promise of promotion and more free time, only to see your climb up the ladder stopped as the workload fills your days off; The Contractor you hired to fix your home with a promise of never needing to do the repairs again, only to later find corners were cut, the job poorly done, and will now cost you double; The Performer whose hit song you went to the concert to hear, who promised they’d always play the classics, and then decides tonight the audience won’t be enjoying the song you came to sing along to. Promises are made and broken at a rampant pace, and even if the experience is magical (see: incredible concert of 38 hit songs played!), when the promise is broken (see: wait, he didn’t play that one song!) we only remember the part that let us down. I went to a Billy Joel concert and that happened to us. Billy Joel had 39 Top 40 hits in his career. This night he played 38 of them…and then left