Ultimately, an aircraft owner does not want to have to deal with all the intricate details which are necessary for the business.
Niki LaudaIt was the same with Schumacher: the need for the adrenaline rush, to push himself to the limit was always there. So without a Formula One car to race with he went on to do motorcycle racing and other stupid things, and obviously that wasn't enough to keep him happy, so he had a problem to sort out and returning to racing was his answer to the problem.
Niki Lauda