nine o'clock
inquired her brother . Rosemary blushed and began to knit faster . `` I 'm supposed to go at nine , '' she admitted , `` but sometimes it is -- later . Honestly , Hugh , I do n't see why I should go to bed at nine o'clock like a little girl ; I 'm twelve , you know . '' `` Half-past eight would be better , '' said her brother , coming over to sit on the arm of her chair , `` but if Mother did n't object , we 'll still say nine . You are a little girl , dear , in spite of your great age , you see . What about Sarah ? ''