quality posts: 8
I'd wager that based on the results, most folks voting haven't actually tried this. It is a lot tougher than you think.
Sure, your ears do a lot for balance, but so do your eyes. They tell you when you start to tip so you can fire up the retro rockets (or muscles; whatever YOU use) and counter it.
Seriously, give it a try sometime (probably when you're in a pillow store or next to one of those foam gymnastics pits to be safe), I think you'll be surprised.