someone had said , `` people who play with fire wet the bed , trash , '' and he had looked up ; expecting to see billy jamieson , but it had n't been bill , it was rich groudemore from powtanville , grinning and picking his teeth with a match , his fingers black with grease because he 'd strolled up to the pool-hall from the texaco on the corner to have a game of nine-ball on his break .