ten o’clock
Then he went slowly to bed . He had forgotten Miriam ; he only saw how his mother 's hair was lifted back from her warm , broad brow . And somehow , she was hurt . Then the next time he saw Miriam he said to her : `` Do n't let me be late to-night -- not later than ten o'clock . My mother gets so upset . '' Miriam dropped her bead , brooding . `` Why does she get upset ? ''