I was associated with Elon in 2000 thru the flying club at the Palo Alto airport. Guy came to me with 60 hours in a 172 saying he wanted to get proficient in the Extra 300. I told him a straight transition was possible, but, transitioning through lesser planes (citabria, decathlon, Marchetti) would be the way to go. No go. So I loaded him up. Long story short; he became safe and proficient long before I thought he would. He never would have been a Mike Mangold. However, he came in thoroughly prepared mentally and just simply refused to fail. We would beat on maneuvers for literally hours. I'm talking about land, refuel, and continue util he had it down. I've never had another acro student like that before or since. I think that is just his approach to life. It's not refusal to fail. It's fail until you succeed. Probably something to be said for that.