The two-minute rule: what it actually solves

The rule fits into one sentence: if something takes less than two minutes, do it straightaway rather than writing it down. It comes from Getting Things Done, David Allen's book published in 2001, where it's used for sorting: faced with a pile of post or an inbox, writing down a tiny request costs more time and attention than just settling it on the spot.

What it does very well

It stops the list gathering dust. Replying "yes, Thursday" to a message, taking the washing out of the machine, filing a document in the right folder, binning the flyer: writing these things down takes longer than doing them, and above all, they pile up fast. A list cluttered with fifteen micro-tasks becomes unreadable, and hides the three lines that actually matter.

It has a second effect, less obvious: it cuts down on how many times you handle the same thing. An object moved three times before being put away has cost more than putting it away itself. The two-minute rule breaks those loops.

The first trap: the whole day in two-minute pieces

Applied without a safeguard, it produces days made up entirely of small things. Each interruption is justifiable on its own; stacked together, they eat into the blocks of time where you could have made progress on the one task that actually mattered.

The safeguard is simple: the rule applies at sorting time, not continuously. When you're going through your messages or clearing your head, yes. When you're in the middle of a task that needs concentration, no: whatever comes up gets written down and waits.

The second trap: believing it cures procrastination

Whatever you've been putting off for three weeks never takes two minutes. "Call the insurer" takes twenty minutes, "do the tax return" two hours, "sort out the cellar" a whole Saturday. The rule has no grip on any of that, and using it as a general method mostly leaves you with the frustrating feeling of being very busy while getting nowhere.

For those tasks, the right question isn't "does this take less than two minutes?" but "what's the smallest possible first step?" Finding the number, opening the folder, taking out a box. That step, often, does take two minutes — and that's how the two rules end up meeting.

How to use it without thinking about it

Keep it for three moments: when you're writing your list, when you're going through your messages, and when you're tidying up in the evening. In those three moments, everything tiny gets done, and the rest gets written in three words.

And if you're unsure — is it two minutes or ten? — write it down. A written task costs almost nothing; a badly judged interruption costs you the thread of whatever you were doing.

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