In most good stories, it is the character's personality that creates the action of the story. If you start with real personality, a real character, then something is bound to happen.
Flannery O'ConnorHe knew that he was the stuff of which fanatics and madmen are made and that he had turned his destiny as if with his bare will. He kept himself upright on a very narrow line between madness and emptiness and when the time came for him to lose his balance he intended to lurch toward emptiness and fall on the side of his choice.
Flannery O'Connor