I didn't notice the extra run becoming a rule until the day I tried to break it. Work ran late on Wednesday. A grant meeting spilled past closing, and I missed the group session. By the time I got home, I was tired and hungry. My body asked for dinner. My mind told me to lace up. I ate a bowl of soup, then changed into running clothes. The night was cold and clear. I told myself I was only going for twenty minutes. At twenty, I kept going. I wanted to burn off the bread I'd eaten with dinner. I wanted to prove that missing a scheduled workout didn't mean I was slipping. A mile later, my knee twinged. I turned around. At home, I stood in front of the bathroom mirror and lifted my shirt to check my stomach. The scale sat beneath the sink. I stepped on it. The number was higher than it

