midnight
Into three hours she crammed all the joy , all the thrill , that she had dreamed of through her lonely girlhood . At half after eleven she was waltzing with Billy . `` We must leave now , Lydia , '' he said . `` I promised your father I 'd have you home by midnight . '' `` Oh , Billy ! Just one more two step and one more waltz , '' pleaded Lydia . `` Nope , '' he said , smiling down into her wistful eyes .