five o'clock in the morning
`` Guess . '' `` Do I know her ? '' `` Guess . '' `` I am not going to guess , at five o'clock in the morning , with my brains frying and sputtering in my head . If you want me to guess , you must ask me to dinner . '' `` Well then , I 'll tell you , '' said Stryver , coming slowly into a sitting posture . `` Sydney , I rather despair of making myself intelligible to you , because you are such an insensible dog . ''