noon
I am here to educate her , Delia , and I intend to do it . '' Delia could see that she meant what she said . There was a determined expression about her mouth that would have surprised Nan if she had seen it . But at noon , when she returned , the governess ' face was as placid as ever . She and Delia were discussing the price of butter in the most intimate fashion possible , and Nan snorted audibly as she heard them agree that it was ruinously high . Delia had played a poor enough part before , `` kow-towing '' to the enemy the first thing , but now she had deliberately betrayed her -- Nan . Had `` gone back on her '' in the most flagrant fashion .