= Because at the first time that Adam and Flora meet each other, he don’t know her real name and for more polite, so he call Flora “Robert Poste's child" but after they have few exchange some information in the kitchen Adam still call her “Robert Poste's child". This makes Flora feel that “Robert Poste's child" every time is rather a mouthful, so she wish Adam would call her “Miss Poste or Flora.