Even if she did and it happened, why would a coincidence convince me?

[ Toph leans in like she's trying to listen more closely. She catches the double negative that essentially says calling him a nickname is disrespectful, and she's not shy about clearing it up. ]

For the record, I call you Jumpy because I like you. That's how I show affection. What's going on with you? You're acting all weird -- not jumpy at all, actually.