Walking is not a break from the work

I used to log my hours by where I was sitting. An hour at the desk was work. An hour on the hill above the house was recovery from work, and if the week was tight it was the first thing cut.

Last December I went back through a year of project notes to find out when the hard problems actually broke. Not when they were written up — when the shape of the answer arrived. Eleven of them. Nine happened while walking. One in the shower. One at the desk, and that one I had already half-solved on a walk the previous day.

Two different machines

The desk is excellent at execution. Everything there — the file, the grid, the proof, the open tab — is a handle for a decision that has already been made. That is why it feels productive, and it is why it is close to useless for working out whether the decision was right.

Walking removes every handle. There is nothing to adjust, so the mind stops adjusting and starts arguing with itself instead. The pace seems to matter more than the scenery; the same route at a dawdle produces nothing. It needs to be brisk enough to occupy the body and dull enough to bore it.

The desk answers the question you brought it. The walk tells you the question was wrong. Only one of those feels like work while it is happening.

What I changed

I stopped calling it a break, which sounds precious but was the entire fix. It went in the calendar in the same colour as everything else, forty minutes, mid-morning, before the day has anything to defend.

I take no phone and no notebook. I tried both. The phone ends the thinking immediately. The notebook is worse in a subtler way — knowing you can write it down makes you stop turning it over, and a half-formed thought captured early stays half-formed. Anything that survives to the kitchen table was worth keeping. Most things do not survive, and that is the filter working.

The honest limit

This does not scale. You cannot walk harder to solve a bigger problem, and a walk with no problem loaded into it is just a nice walk. It also fails completely on anything that needs reference material — I have never once resolved a question of fact on a hill.

What it is good for is structure: the order of chapters, whether a section earns its place, which of two arguments is actually the argument. For eleven years I treated the hours that produced those answers as the hours I was not working.