Oh no I didn't!

Logan: Maaaaahhhhmmmmm! Hayden said a bad word.
Hayden: I did NOT!
Mom: Hayden, did you a bad word?
Hayden: I didn't!
Logan: Yes you did. You said the "SH" word.
Hayden: (smiles) Nuh uh, you did.
Logan: NUH UH!
Mom: Hayden?
Hayden: What? I didn't say that word. I know what I did cuz I was with myself!