That space. It begins in the middle of my forehead and ends in the middle of my groin. It is, variously, as wide as my body, as narrow as a slit in a fortress wall. On days when thought flows freely or better yet clarifies with effort, it expands gloriously. On days when anxiety and self-pity crowd in, it shrinks, how fast it shrinks! When the space is wide and I occupy it fully, I taste the air, feel the light. I breathe evenly and slowly. I am peaceful and excited, beyond influence or threat. Nothing can touch me. I’m safe. I’m free. I’m thinking. When I lose the battle to think, the boundaries narrow, the air is polluted, the light clouds over. All is vapor and fog, and I have trouble breathing.