Four people, one trolley
Everyone here pushes exactly as hard, whichever way they are facing. Move the handles and see what changes.
2% of the pushing moves the trolley. 98% becomes squealing, shaking and tiredness.
Everyone pushing as hard as they can. It does not move one centimetre.
Drag a handle, or select one and use the arrow keys. Nobody is pushing any harder either way.
What just happened
Nobody was lazy. The effort was the same in every arrangement you tried — four people, pushing as hard as they could. What changed was only whether the pushing agreed with itself.
That is what an ordinary day does to your attention. A message pulls one way, an email another, a worry about tomorrow a third. Each pull is small, and every one of them is real work. Together they come to nothing, and the tiredness at the end is the squealing and the shaking rather than the distance.
It is worth being precise about the good news in that. If the problem were effort, you would need more of yourself, and there is no more of you. The problem is direction, and direction is something you can change in about thirty seconds.
The thirty seconds
Put every task down. Not mentally filed — down. For half a minute, want nothing and fix nothing. Then pick the one thing today is actually for, and let the rest wait in a queue where it costs you nothing.
Nothing on your list changes. Your inner state changes almost immediately, because you have stopped spending energy in twelve directions at once.
A day, drifting past
Things arrive all day and most of them are not addressed to you. Hold whatever you like — as many as you like — and watch what finishes.
Nothing held. Everything drifts past, and nothing is lost by letting it.
Tap anything to hold it. Tap again to let it go. Nothing is destroyed and nothing is scored.
What just happened
Nothing here punished you for holding too much. Nothing exploded, nothing was lost, and the things you let drift past cost you exactly nothing. The only thing that changed was how much of you each held item received — and whether it lasted long enough to finish.
That is the whole of Chapter Six. The skill is not speed and it is not vigilance. It is being willing to let most of it go by, so that the one thing that matters gets the whole of you rather than a quarter.