" I was convinced, I added, that she would be better at once if her father said that he was sacrificing Frau K. to her health. I hoped that he would not be persuaded to do so, because then she would have seen what a strong weapon she had in her hands, and would certainly not shrink from exploiting all the possibilities of illness on every future occasion. However, if her father did not give in to her, I felt sure that she would not abandon her invalid status so easily. "
― Sigmund Freud , Dora: An Analysis of a Case of Hysteria