I’ll never forget the moment I heard about Luca Spaghetti’s memoir. It was a late afternoon in early spring. The sunlight pouring into my cubicle, I remember, was the color of artisanal ginger ale. I was about to take the last bite of a carrot-cake doughnut I’d been savoring — a decadent life-gift to myself for a recent spiritual breakthrough — when my editor strode over, holding out a book. “What’s that?” I asked. “A new memoir,” he said.