I just flew with a guy who buzzed cars in a canyon while ferrying C185, hit a power line, shattered the windscreen, bent the prop and was forced to land on the road with the cars he just buzzed!

Point is, you aren't out of the game. Sign up with the FSDO to be a safety advisor? Join a group that mentors new pilots and speak of your mistake. Learn from it and show you have... and network network network..