I want you to imagine a skilled paddler in his kayak making his way through the rocks and hydraulics of the Chattooga River. As he maneuvers himself along, something is taking place that onlookers may not be aware of. The potentially destructive force of the river is actually helping the paddler develop his balance, coordination, strength, and concentration. But imagine that as the paddler approaches the next set of rapids, he thinks to himself, I’m tired of paddling. This is getting old. My arms