Heat. Heat. What if I mess up completely. What if my voice cracks.What if I forget everything I'd practiced for weeks and just stand here like a deer in headlights. Actually, you know what. Scratch that.What if I don't mess up. What if I nail this perfectly, hit every point, get a standing ovation, and yet feel absolutely nothing. Because that's the scarier question, isn't it.Right now, a part of me is floating somewhere around the back of this room, watching this nervous kid on the podium and thinking, "Wh ...