twelve o'clock
He looked quite worried , for him , and asked me if there were any expenses we could cut down . My heart jumped up into my mouth , and I said in an irritated way : `` I am killing myself with over-work now . Mother says so . I sew every night till twelve o'clock , and I feel all jaded out . '' `` I did not mean that I wanted you to do anymore than you are doing now , dear , '' he said , kindly . `` I know you are all jaded out , and I look on this state of feverish activity with great anxiety . Are all these stitches absolutely necessary ? ''