David thinks his name is "You." This leads to some rather confusing conversations.
Me: Who wants to play Legos?!
David: You!!
Me: Who do I love SO MUCH?
David: You.
David: You close door.
Me: Okay, I'll close the door.
David: No! YOU close door!
Me: Okay! I am closing the door!
David: No, Mom, no! YOU close door!!
Me: Oh, YOU want to close the door?
David: Yes, Mom. You close door.
Anyone: What is your name?
David: You.
