Working definition
A fixed, written sequence of prep moves with timestamps that you runs before every recurring high-stakes act — coaching session, sales call, presentation, training — so the body is ready before the moment arrives.
How it works
The doctrine builds on All Success Lies in Its Preparation, but adds the operational artifact: a written checklist with timestamps, stored in a known place, opened every time. The artifact is a workflow, not a piece of advice.
Three properties make it work:
- It is written. Memory drifts. A checklist does not.
- It is timestamped. 7:40 — clean glasses. 7:50 — open Zoom. 8:00 — phone on do-not-disturb. 8:02 — water glass on desk. The clock holds the sequence.
- It is reusable. A template you clones for every occurrence. Yann uses a Notion template he duplicates every Wednesday and Friday morning.
The mistake is to assume that experience removes the need for the checklist. The pilot with six thousand hours of flight still checks the fuel. Yann puts it bluntly: that is exactly why the pilot still has six thousand hours of flight.
Signature
The image is the pilot’s pre-flight checklist — six thousand hours flown, still checks fuel. Yann live-demos his own list on 2026-02-16: when he skipped a row, something bugged — transparency the room can copy.
More room passes mention this doctrine in replay narrative — search the Codex for Pre-Session Checklist or start from the latest entry on Weekly Sessions.

Spatial split — skipped row (something bugs) versus full checklist (timestamped rows — still check the fuel). Your move: Your move this week.
Your move this week
This week’s micro-action (24–72 hours):
- Pick the one recurring act this week where preparation matters most.
- Write a five-to-ten-row checklist with clock timestamps.
- Run it once.
- Note where it broke.