He took off his boots and socks, laid out his medical kit, doped himself up, and put a round through his foot. Nobody blamed him, Sanders said. (Night Life.24-5)
that he was wounded in "The Ghost Soldiers," we assumed that it happened in battle. We'd never seen him be anything less than brave. That's why it hurts when we see him lose it and give in to weakness. If Rat loses it, then we could all lose it. And maybe it's true that nobody blamed him for punking out. Obviously, they've all punked out at one time or another. But Rat probably doesn't believe that nobody blames him, and he will live with that feeling of weakness forever.