When we drop out of the head and into the body, we become aware of a thrumming aliveness, an unconducted chorus of burbles, pops, pulsations, tingles, surges, warmings and slow, tendrillic movements. Awareness of this is consciousness aware of itself.
We don’t need to be sitting zazen to practice breath awareness. Buddhist practitioner Will Johnson does it crossing the street. In this shimmering circumstance, “Be as tall as you can be but as relaxed as you can be.”