Patricia Highsmith said this quote

For the hundredth time, he examined his face in the bathroom mirror, patiently touched every scratch with the styptic pencil, and repowdered them. He ministered to his face and hands objectively, as if they were not a part of himself. When his eyes met the staring eyes in the mirror, they slipped away as they must have slipped away, Guy thought, that first afternoon on the train, when he had tried to avoid Bruno’s eyes.