Ron snorted already way ahead of Harry and signaling an order to the passing server. "Oi! Better not let her catch you using that particular name, mate. You'll be spending next week as a blast-ended skrewt. Not that the look would be bad for you," he grinned, "but it might be dead uncomfortable."
He looked up and down Diagon Alley with a slight frown for a moment then gave a shrug and turned back to Leila, his arms held open. The little frown grew slightly when she hesitated. It erased entirely when she shifted and climbed into his lap.