Me: I'm home, I should do some work.
Brain: No work. Cheese.
Me: We just had some cheese.
Brain: I see no cheese.
Me: That's because we ate it.
Brain: (stares blankly)
Me: (sighs) Look, if I get you more cheese can we work?
Brain: Yes.
(gives brain cheese)
Me: Okay. Work.
Brain: No work. Cheese.