ten o'clock
And then Mr. Forbes again walked up and down the long room , seemingly lost in his own thoughts . Dolly and Dotty felt a little uncomfortable . They wanted to make themselves agreeable and entertaining , but their host seemed interested exclusively in his young relatives , and they hesitated lest they intrude . As it neared ten o'clock , Mr. Forbes paused in his pacing of the room , bowed to each of the four in turn , and then saying , courteously , `` I bid you goodnight , '' he vanished into the hall . Immediately Mrs. Berry entered . It seemed a relief to see her kind , smiling face after the uncertain phases of their eccentric host . `` Now you young people must go to bed , '' the housekeeper said ; `` you 're tired , -- or ought to be .