What's wrong with the following story?
A magician, skilled but unlucky, finds success passing him by. One day, wandering lost in gloomy thoughts, he meets a boy who is unhappier still. The magician does some tricks. The boy cheers up. They become friends. They agree to meet the next day.
That evening the magician receives a visit from a friend. The friend brings news: The scheduled performer at the next day's magic show can't make it. Will the magician fill in?