Across the hall lived Omar. He kept the door to his studio apartment open like an invitation even when no one came — a dark green scarf draped over the back of a chair, an old radio with a bruised dial, an array of potted plants that clung to life despite scorch-and-forget watering. Omar worked nights at a bakery and days delivering packages, sleeping in mismatched chunks like someone living on borrowed time. He had a laugh that began low and then ballooned into the air, ridiculous and generous.