Because for this adrenaline junkie, it isn't enough to go down a GINORMOUS inflatable water slide on your bottom. Or even on your stomach head first. Come to think of it, it won't cut it if your body has any contact with the ginormous water slide at all. That just doesn't hold the rush that he needs. So, instead...he flies. And he loves it.
But really. Should he be wearing some kind of full-body safety gear around? Like, at all times?