Type Casting

We are out of town visiting friends and they have two girls that are Corey's age. The kids get along well and play all day long. Yesterday, Corey comes running in the room.

Corey: "Daddy, I need to the Ninetendo DS."
Me: "I think it is on the table in the family room. But you shouldn't be playing your DS when you are all playing together."
Corey: "No, it's okay. We're playing house."
Me: "I don't understand. Why do you need need the DS?"

Corey: "I'm playing the daddy so I need to be on the computer."

SIGH.