My mom called me every single morning at 6:40. Even after I moved across the country. “Did you sleep?” “Yes.” “Did you eat?” “Yes.” “Okay.” Then she’d hang up. It used to annoy the hell out of me. One morning the call never came. I figured she just forgot. At 9 I called her. No answer. Called again. Still nothing. I panicked and rang my aunt. She was fine. She had just decided to stop calling. My aunt told me why. Mom had been keeping a little notebook...