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How to ThinkIn the Age of AI

Draw the line after item 3 — peak attention hours go above…

After producing a ranked priority list, draw a line after the third item and allocate your peak attention hours only to items above that line, treating everything below as receiving leftover capacity or explicit deferral.

When This Fires

Common Failure Mode

Treating the ranked list as a sequential work order: "I'll work through all 10 items in order." This distributes peak attention across 10 items, giving each 30 minutes of degraded focus rather than 3 items 2 hours of deep focus. The line isn't "do these first" — it's "only these get your best attention."

The Protocol

(1) After ranking (Break 'everything is priority 1' paralysis with pairwise…), draw a visible line after item 3. (2) Items 1-3 (above the line): allocate your peak attention hours — the 3-5 hours where your cognitive performance is highest (usually morning for most people). These items receive deep focus, protected time blocks (Block Q2 tasks on the calendar with specific day+hour…), and priority in scheduling. (3) Items 4+ (below the line): receive only leftover capacity — the hours after peak attention is spent (low-energy afternoons, inter-meeting gaps). Alternatively: explicitly defer to next review period. (4) The line is the commitment allocation device: you're committing your best resource (peak attention) to your best priorities (top 3). Everything else gets what's left. (5) Review the line weekly: has a below-the-line item become more important than an above-the-line item? If so → swap them. The line position is dynamic, but the rule (only 3 above) is fixed.