"A child learning to fly on its own natural wings whose main influences will most probably be a bipolar angel, a constantly hyper alien, a demon, and -- if a miracle happens -- an easily excitable god? Oh, definitely. Or at least constant supervision -- baby heads are fragile things, Loki. If he happened to fall and hit his head, it might have serious consequences. And not that I know much about skiing, but I don't think skis come with speed limits..."