Toph's groan of protest at the brotherly gesture is only half-hearted. She can't deny that any sort of bond, be it friendly or nigh-familial, is something she'll happily indulge in.

"Lucky for you, anyway," she says, lifting her face out of the fabric of his robes enough to keep the words from being muffled. "You probably haven't even figured out what's going on yet, huh, Noodlebrain?"

Not so subtle a shift away from her own helplessness, Toph displays her totally mastery of HEY LOOK OVER THERE for Zuko to enjoy personally.