I'm big into fitness. It's an escape from reality, kind of like books. It's also a place where my mind can wander and stories can percolate. One of the primary principles in physical fitness training is something known as the training effect, which is pretty much this: you will become good at what you train for...   For example, if you want to become a great cyclist, you cycle a lot. You're gonna build up your cardio, your leg strength, etc. However, you will not be a good runner. Employs