ME: So what do you want to be when you grow up?
HIM: I want to be a scientist.
ME: A scientist. So what do want to study as a scientist? What do you want to learn about?
HIM: I want to learn about water.
ME: Water. What do you want to learn about water?
HIM: Well, I can learn about what happens when you put paint in it.
ME: Oh yeah? And what else do you like about water?
HIM: Well, I can do a lot of different experiments with water.
ME: So what is your favorite thing to play?
Then he started off into space. That was the end of that.