It was a survival thing: he didn't answer back, didn't say anything about job security for prison guards, debate the nature of repentance, rehabilitation, or rates of recidivism. He didn't say anything funny or clever, and, to be on the safe side, when he was talking to a prison official, whenever possible, he didn't say anything at all. Speak when you're spoken to. Do your own time. Get out. Go home. ... Rebuild a life.