Sweetie: Mom I have to go pee.
Mom: I told you to go before we left. We'll be home soon.
Sweetie: (to brother) I've gotta go pee-pee.
Lovey: I ga go pee-pee.
Sweetie: Want to use the toilet? (we are trying to potty train Lovey)
Lovey: Wa u toywet.
Sweetie: Let's go. Let's pee-pee in the toilet.
Lovey: (this is where Lovey catches on to the PT reference) NNNNOOOO! No toywet!
Sweetie and Lovey shall henceforth and hitherto be called