Why breaking a task down usually doesn't work either
The standard advice for a task that feels too big is to break it into smaller steps. That's correct, and it still doesn't work half the time — not because the steps are wrong, but because the planning happens while six other things are still competing for attention. A brain dump alone doesn't fix that either; it empties the noise but leaves the actual task exactly as unplanned as before. Neither stage solves what the other stage is for. Doing them apart is why both keep failing on their own, and why a method that skipped a day tends to get abandoned rather than picked back up.
Stage one — the dump
No categories, no order, no editing anything as it comes out. The point is volume, not organization — write down everything that's currently taking up room, in whatever order it surfaces. A timer helps here more than a system does. Stopping on time is as much a skill as starting was.
Stage two — the breakdown
Carry over exactly one item from the dump — not three, not "the important ones." Break that one thing into a maximum of five actions. Each action starts with a verb and takes under ten minutes. Five is a hard ceiling, not a suggestion: a fifteen-step breakdown is technically more thorough and practically just a second overwhelming list wearing a different shape. The goal at this stage isn't a complete plan — it's the smallest next action that's actually possible to start on today, low-capacity or not.
A real one, worked through
Dump page, one line among a dozen others: "the return I still haven't shipped." Breakdown page, that single line becomes five actions — find the receipt, print the label, tape the box, put it by the door, drop it at the counter on the way to somewhere else you're already going. None of the five is the whole errand. Each one is small enough to start without deciding anything else first.
The method above works on blank paper — one page for the dump, one page for narrowing it down.