It's tough work to have to maintain the balance between the physical and spirit worlds. An Avatar's job is never done which is why you need a little "me" time. Something to help you energize and get in touch with your inner Korra. Elemental Combat is demanding. Your body has to be able to work like a finely-tuned instrument bent to your will. This is where you forge the necessary resolve to be more than you expected and meet the demands made upon you.
Extra Credit: 30 seconds rest between sets.