Toph silently notes his size difference after he stands, picking up on it from the weight pressing on the ground through his feet. Just about everyone is taller than her, so it doesn't make much difference. Besides, with all that fidgeting, he's definitely not a threat, so it's mostly just a passing observation.

"I'd help you out, but... every sheet of paper's the same thing to me, so I dunno if I'd really contribute much. My name's Toph, by the way."