Is a day worth remembering? What about a year? Is my life worth remembering? I am always keeping track of experiences: where I went, who I saw, how I felt. Every little detail must be collected. As the diarist Sarah Manguso writes, “The diary was my defense against waking up at the end of my life and realizing that I’d missed it.” I’m obsessed with making time feel discrete. The little things become my day, my year, my life; they become me. I raised my hand in class today; I need to stop eating so much sugar; I realized I love being busy; a seven-year-old told me that she thinks I’m pretty. Someone recently asked me, “You’re a senior? You look so small.” I didn’t know whether he meant physically or otherwise. When I get dressed in the morni...