"There's only one thing we can do to get out of this mess. Anyone can play at hunting, anyone can get us meat-" He looked from face to face. Then, at the moment of greatest passion and conviction, that curtain flapped in his head and he forgot what he had been driving at. He knelt there, his fist clenched, gazing solemnly from one to the other. Then the curtain whisked back.
Which of the following words best illustrates that Ralph is slowly forgetting about the civilized world he came from?