You remember the task while brushing your teeth.

Again while answering email.

Again when you are trying to focus.

Again when you are supposed to be done for the day.

The task may take twelve minutes.

But it has occupied your head for two weeks.

That is an open loop.

Something unfinished, undecided, or undefined that keeps asking for attention.

Most people handle open loops by making a longer list.

That does not close them.

It gives them a permanent address.

It is asking you to decide what happens next.

An open loop stays loud when one of four things is missing:

Until you choose one, the task remains mentally active.

You keep scanning it.

Reconsidering it.

Feeling guilty about it.

Then you call the result overwhelm.

But overwhelm is often just too many tasks waiting for a decision.

The vague loop

“Handle the website.”

There is no finish line, so the task cannot be completed.

The delayed loop

“Reply to Sam.”

You have carried it forward six times without choosing when it will happen.

The dead loop

“Research new software.”

You no longer need it, but you refuse to remove it because deleting a task feels irresponsible.

Here is how to close the delayed loop:

Loop: Reply to Sam about the proposal.

Decision: Finish.

Next action: Send a three-line response before 2 PM.

Closed when: The message is sent.

That task no longer needs thought.

It has a decision, an action, and an ending.

After the paywall, you will get the complete open-loop inventory, the four-choice decision tree, rules for fixing vague tasks, a filled example, the 20-minute closure sprint, and the prevention system that stops tomorrow’s list from becoming another storage unit.