"Oi, easy! When James and I first got here, we were 15 years old, and nobody had any brooms. We worked the basics out all on our own." Well. With a little help from a previous Sirius and the motorbike he'd left behind.

"Then we were ported out and back in again, in our twenties, and we more or less polished off some serviceable wizarding transport. Now however, with my seasoned expertise, I think I've made something that a witch or wizard would actually be proud to own."

Not that...he had a lot more experience now than he did when he was younger, but surely obsessive fiddling and reckless personal endangerment count for something.