It's always wrong of course to say that you can't do this or you can't do that in fiction. You can do anything you can get away with, but nobody has ever gotten away with much.
Flannery O'ConnorWhen you can state the theme of a story, when you can separate it from the story itself, then you can be sure the story is not a very good one.
Flannery O'ConnorHe knew something was going to happen and his entire system was waiting on it. He thought it was going to be one of the supreme moments in life but apart from that, he didn't have the vaguest notion what it might be. He pictured himself, after it was over, as an entirely new man, with an even better personality than he had now. He sat there for about fifteen minutes and nothing happened.
Flannery O'Connor