Heroes know that things must happen when it is time for them to happen. A quest may not simply be abandoned; unicorns may go unrescued for a long time, but not forever; a happy ending cannot come in the middle of the story.
Peter S. BeagleFor a moment she turned in a circle, staring at her hands, which she held high and useless, close to her breast. She bobbed and shambled like an ape doing a trick, and her face was the silly, bewildered face of a joker's victim. And yet she could make no move that was not beautiful. Her trapped terror was more lovely than any joy that Molly had ever seen, and that was the most terrible thing about it.
Peter S. BeagleNo," he repeated, and this time the word tolled in another voice, a king's voice... whose grief was not for what he did not have, but for what he could not give.
Peter S. Beagle