So, he kept them there, on the floor of the train, under his wand, exposing their secrets while she smiled at him — just a tad giddy from his exercise of authority — and prepared to leave the current car. The car with the downtrodden faces, who looked at him with mistrust and fear and hope, so much hope, that at least one of those emotions would end and they could be free somewhere else, even on another person's chains.