and the future shifted , clouded , became a fog in which reuben would have to leave the warm circle of his family , and his son-have to , have to flee-unable any longer to disguise the fact that he was n't growing older , that nothing was changing in him-but then this boy , this young man , this son , would be with them , with grace and phil , and jim , and with celeste , too , and mort perhaps , a part of them , after reuben was gone .