E: What are you doing?
Me: Christmas shopping?
E: For what?
Me: For presents.
E: For me?
Me: I do not know what you want, how can I get you presents if I do not know what you want.
E: You can just buy me what I want.
Me: You have to tell me what you want.
E: You can just buy me what you want me to want, or have, or want to have.
Down the hall he marches, dragging a rope and a pillow.