ten
o'clock
Nils chuckled . Clara 's dull eyes lit up as she looked at him admiringly . `` You 've got them guessing already . I do n't know what your mother said to Olaf over the telephone , but he came back looking as if he 'd seen a ghost , and he did n't go to bed until a dreadful hour -- ten o'clock , I should think . He sat out on the porch in the dark like a graven image . It had been one of his talkative days , too . '' They both laughed , easily and lightly , like people who have laughed a great deal together ; but they remained standing .