At fifty, Rafian kept a small notebook. It wasn’t a planner, exactly; planners had goals and deadlines and a mechanic’s faith in progress. His notebook was a ledger of edges. Each page had a strip of margin inked darker than the rest, and in that margin he wrote the names of things he could feel slipping toward or away from him. He called them the Fifty. Not because there were fifty items—some pages remained blank for months—but because fifty had become the number he noticed when he looked at a clock or a calendar: a middle where past and future met and negotiated terms.