The Question and Answer section for All the Pretty Horses is a great resource to ask questions, find answers, and discuss the novel.
Grady's mother plans to sell the ranch. Are you talking about his move away from San Angelo, or another section in the novel?
I think it might be because he looks different than the regular audience members and he is smoking a cigarette in the lobby.
Cormac McCarthy doesn't really deal with morals rather he deals with the subtleties within themes. There are a few themes to consider. I'm going to provide you with a few at the GradeSaver link below. You can decide on which one you would like to...