"Multitasking. Handling two elements at once and being able to swap as needed requires focus and precision. So too shall healing while you channel a spirit's power as your own, for what you can do with your own energy and what should be done with the spirit's may vary. Use too much of yourself and it's been inefficient. Use too much of the spirit's and you can do less for having exhausted them. Knowing when and how to switch is vital- the best approximation is playing with elements. Precision. Timing." At least that is how she was taught. "Would you like to try again?"