"I won't," Pietro said with a frustrating sort of confidence. He liked being annoying in this sort of way. For a brief moment, he was tempted to raise his shirt and show just how lean he was, but thought the better of it. "Good genes or something," he said with a little shrug. It probably also didn't hurt that he was always on the move.
He grinned that his words had egged her on enough that she was getting two. When the man returned with his food, Pietro gave him some money, took his change, and then his food - one hot dog in each hand. Then he nodded at Alice, "After you."