See if you can find that subtle energy behind the breathing, that subtle energy behind the breathing will be moving up and down in the core of the body, but you may find you feel it also in the extremities, or on the skin, or whatever, but kind of the core of it is in the core. It's right in the center moving up and down the central channel. As you feel that subtle energy moving the breath, notice you might start feeling it and you might start feeling kind of emanations from that energy, feel...