When someone saved her life? What the hell was that supposed to mean? But before Severus had a chance to ask, Mary brushed past him, and he couldn't help it -- he couldn't stand the fact that she was walking away from him, when there was still more to say. This conversation was not over. He stepped forward and grabbed her by the upper arm, spinning her 'round to face him, and only then did he notice that she was crying. Or rather, that he had made her cry.