A choice that should take two minutes keeps looping for half an hour. You reopen the same tabs. You reread the same two options. Nothing new arrives, but you cannot stop. That is a decision loop, not careful analysis.

Decision loops burn attention and leave residue for the next task. You can stop them with a timebox, a stop rule, and a written next step. You do not need a perfect answer. You need an exit.

Name the loop out loud

Say the pattern: I am looping on A versus B. Naming it breaks the spell of endless comparison. If you cannot name two clear options, you are not deciding yet. You are still gathering, and that needs a different clock.

If the loop follows lunch, watch for the wider drift covered in why mind wandering spikes hard after lunch. Treat that dip as a cue to shorten the decision window.

Set a hard timebox before you compare

Give the decision five or ten minutes on a timer. Write the stop time first. During the box, list only facts that change the choice. Ignore tone and fantasy outcomes. When the timer ends, choose or schedule a later box with new data.

Do not extend the box because you feel uneasy. Unease is common at the end of a real decision. Extending is how loops restart.

Use a stop rule you can follow

Pick one rule before you start. Choose the option with fewer irreversible costs. Choose the option you can reverse in a day. Choose the option that unblocks the next work block. One rule beats a vague hope for clarity.

Write the rule on the same note as the options. Looking at it when the timer ends prevents a new round of criteria shopping.

Externalize the two options on paper

Put A and B on separate lines with one cost and one upside each. Keep it to four lines total. Long pros-and-cons sheets invite more looping. Short lines force a comparison you can finish inside the box.

If your scratchpad is already full, shed load first using the approach in shed working-memory load before you start work.

Close with a restart line for later

After you choose, write the next physical action in one sentence. Send the email. Buy the ticket. Delete the other draft. Then leave the decision note. Returning to polish the rationale is a loop in disguise.

If residue remains, take a short buffer the way you would after meetings when you clear attention residue after meetings.

Review loops once a week

Once a week, list decisions that stole more than fifteen minutes. Mark which lacked a timebox or a stop rule. Fix the process, not your character. Loops shrink when exits are designed in advance.

A timeboxed choice is still a choice. An endless comparison is unpaid rent on your attention.

FAQ

What is a decision loop?
It is repeated comparison of the same options without new facts, usually past the point where more thinking helps.

How long should a timebox be?
Use five or ten minutes for small reversible choices. End when the timer ends, then choose or schedule a later box with new data.

What is a stop rule?
A rule chosen before comparing, such as fewer irreversible costs or fastest unblock of the next work block.

Why keep the option list short?
Four lines of costs and upsides support a finishable comparison. Long sheets invite more looping.

What should I write after I choose?
One next physical action, then leave the decision note so you do not reopen the rationale for sport.

How do I reduce loops over time?
Weekly, mark which long decisions lacked a timebox or stop rule, then require those exits next time.