Home was where our sizes mattered less, and our differences began to mean something else. I brought comics and half-baked video game strategies. She brought challenge: a dare to climb the maple tree behind the house, to wrestle me on the carpet and pin me with the determined calm of someone who’d measured the physics. We fought and laughed in equal measure. She’d pin me, not to humiliate, but because she could—and because pressing down meant play. When she won, she’d crow with the same victory she saved for finishing a difficult piano piece. I became victory’s respectful audience.