"I," Percy sniffed, nose in the air, "am a very amusing person, Fred. I suppose you still had some growing up to do before you understood my more sophisticated sort of humour."
He hesitated, studying Fred, wondering. "Next time you have to escape the shop in the middle of the day, maybe I'll let you take me to lunch. Instead of dad. I mean...you owe me, after all." He nodded at the bin where his poor uneaten pasty had been disposed.