You will be able to explain why open loops drain attention and why one trusted list beats several half-used ones.
You're on the MRT home after a long day, and somewhere between Bishan and Ang Mo Kio you remember you told a colleague you'd send her the supplier contacts. Then you remember the dental appointment you meant to book. Then the form your landlord needs signed. By the time you reach your stop, you've run through the list three times and done none of it, and you're slightly more tired than when you got on.
That loop has a name in productivity writing, and a fix. This lesson explains both.
David Allen, the American consultant who wrote Getting Things Done, built his method on a simple observation. Anything you have agreed to do, and have not yet finished or put somewhere you trust, keeps pulling at your attention, and he calls these unfinished commitments open loops. A promise to send the supplier contacts is an open loop. So is "I should really sort out my insurance" and "I need to reply to Ahmad about the wedding".
Your mind keeps returning to them because, as far as it knows, nobody else is keeping track. So it reminds you, at random moments and usually when you can do nothing about it: in the shower, during a meeting about something else, at two in the morning. Each reminder costs a little attention, and with dozens of open loops the cost adds up to a background hum of worry that makes it harder to focus on whatever is in front of you.
Allen's answer is to get every open loop out of your head and into a system outside it, a list or a calendar you trust and look at regularly. Once your mind is confident the commitment is recorded somewhere it will be seen again, it can stop reminding you.
Most people already write things down. The trouble is where.
Count with Marcus, the operations team lead from lesson 1.3. He had tasks in his work email, flagged and unflagged. He had more in three WhatsApp chats with drivers and in the Teams chat with his manager. There was a notebook he carried to meetings, a sticky note on his monitor, the Notes app on his phone, a whiteboard in the office, and his memory. That is nine places, and some of them, like a chat thread that scrolls away, were never meant to hold tasks at all.
With nine places, he could not answer a basic question: what have I agreed to do this week? To find out, he would have had to check all nine, and he never did, so the answer stayed in his head as a vague feeling of being behind. Meanwhile real requests went missing. A driver asked for a change of shift in a chat on Tuesday, Marcus replied "ok noted", and by Friday the message was forty scrolls up and the roster had not changed.
Scattered lists also make it hard to choose. When you finally have a free hour, you cannot pick the best thing to do with it if half the candidates are hidden in places you didn't check.
A task system only does its job if you trust it. The test is whether your mind stops rehearsing the list. If you've written "send supplier contacts to Wen Hui" in your task app but you still find yourself repeating it on the MRT, your mind does not believe the app. Usually it has good reason: last time you wrote something there, you didn't look at it for two weeks.
So trust has to be earned. It comes from two habits, and neither has much to do with which app you use.
The first is capturing everything. If 90 percent of your commitments go into the system and 10 percent stay in your head, your head still has to keep watch, and it will keep watching all of them because it does not know which are which. Allen's standard is that every commitment, small or large, work or personal, goes in.
The second is reviewing the system regularly. A list you never read is a place where tasks go to be forgotten. Allen puts a lot of weight on a weekly review, which you will set up in module 8. A daily glance at your next actions and calendar keeps the list alive between reviews.
This is why switching apps rarely fixes a messy system. People who move from paper to a new app, and from that app to another, often find the same mess follows them, because the habits did not change. Lesson 8.1, Choose tools without turning tools into a hobby, comes back to this. For now, the app matters far less than the two habits.
Marcus didn't need a perfect system to see the difference. He started with one change: every time he said "noted" or "will do" in a chat, he added a line to the task list on his phone before he moved on. Within a week the roster changes stopped slipping. The rest of the system, how to sort the list and what to put where, comes in the next two lessons.
Before building anything, though, you need to know what you are replacing. Most people underestimate how many places they keep tasks, because some of those places, like a group chat or a pile of papers on the desk, don't feel like lists. Your activity is to find all of them, including the ones you would rather not count.
Count every place you currently keep tasks, including chat threads and notebooks, and write the list.
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