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Vivian Guillen

Vivian Guillen

Why Your Brain Won’t Let Go of Unfinished Tasks (And the 3-Second Fix)

6 min readOct 18, 2026

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How I get every task into my Todoist Inbox in a few seconds so nothing stays in my head

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I’ve been using Todoist for years (tried Things, TickTick and Amazing Marvin, but always came back), and for a long time my setup looked great on the surface. Projects, labels, filters, a Today view I checked every morning.

My head was a different story. At any point in the day I had a running list going in the background: did I renew that client’s domain? did I reply to the email from Tuesday? I still need to fix the bug on the checkout page. We’re out of coffee filters.

None of it was urgent, it was just unfinished, and it kept coming back at random moments (usually when I was trying to sleep).

What finally fixed it was getting a lot faster at adding tasks and sending every one of them to one place, the Inbox. My projects and filters stayed exactly the same.

Why Unfinished Tasks Stick in Your Head

There’s a name for this: the Zeigarnik effect. Your brain keeps unfinished goals active so you don’t forget them, and it does that whether you want it to or not.

A 2011 study by E.J. Masicampo and Roy Baumeister found that unfinished goals got in the way of people’s focus on unrelated tasks, but when participants wrote down a specific plan for the goal, that effect went away. They didn’t have to finish anything, writing the plan down was enough.

That’s what a task manager is for. Your brain lets go of something once it trusts it’s written down somewhere you’ll see again, and it only trusts that if you capture everything, small stuff included. If adding a task takes 20 seconds, you’ll skip it when you’re busy, and you’re usually busy when the thought shows up.

The One Rule: Everything Goes to the Inbox

When I capture a task, I don’t sort it. No project, no label, no priority. I type it, hit Enter, and it goes to the Inbox.

I used to pick a project every time I added something. It sounds small, but it means stopping what you’re doing to think about where something belongs, and after a while I noticed I was skipping tasks because adding them felt like a chore. Now sorting happens once a day (more on that at the end), and capturing takes a few seconds.

1. Set Up the Global Quick Add Shortcut

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This was the biggest change for me, since I spend most of my day in a code editor.

The global shortcut opens Quick Add from anywhere, even with Todoist minimized. On recent installs it’s Option + Space on Mac and Ctrl + Space on Windows (older installs can keep a different default, so check Settings). If it clashes with Raycast, Alfred or Spotlight, change it to something you can press without looking.

Now when something comes up mid-task, I hit the shortcut, type “renew client domain”, press Enter, and I’m back in my editor a few seconds later.

2. Write It Like a Note to Yourself

The task doesn’t need to be well written, it just needs to be there. “call dentist” is fine. “that thing Ana said about invoices” is fine too, you’ll know what it means when you process it later.

Todoist’s natural language dates help here: type “pay electric bill friday” and it sets the date for you. I only add a date when it comes with the thought. If I have to stop and think about when, I leave it for later.

3. Use Ramble When You Have a Lot to Dump

Some moments give you one task, others give you ten. After a client call or at the end of a long day I usually have a pile of loose ends, and typing them one by one is slow.

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For those I use Ramble, Todoist’s voice capture. You tap the waveform icon in Quick Add, talk through everything you need to do, and it splits it into separate tasks while you’re talking. You review the list, remove anything it got wrong, and the rest goes to your Inbox. It handles messy speech well too (saying “oh, and also” or changing your mind halfway through a sentence doesn’t throw it off).

4. Make Capture One Tap on Your Phone

A lot of my open loops show up away from the desk, at the supermarket, in the car, in the middle of a conversation. Unlocking the phone, finding the app, waiting for it to load and tapping the plus button is just enough friction to make you think “I’ll remember it later” (you won’t).

A few ways to cut that down:

  • Home screen widget: put Todoist’s Quick Add widget on your first screen
  • iPhone Action Button: map it to a Todoist shortcut so one press opens a new task
  • Android Quick Settings tile: add Todoist’s tile so you can capture from the notification shade

I’d pick one and use it every time. It turns into muscle memory pretty fast.

5. Forward Emails to Your Inbox

An email that needs a reply is an open loop that lives in a different app. Todoist gives your Inbox its own email address, so you can forward an email there and it becomes a task with the subject line as the name. I saved the address as a contact called “Todoist” so forwarding only takes a couple of taps, and then I archive the email so my mail app doesn’t turn into a second to-do list.

6. Turn Open Tabs Into Tasks

Articles to read, tools to try, a product I want to compare later. I used to leave these as open tabs, which is another way of keeping things in your head.

The Todoist browser extension adds the current page as a task with the link attached, and on mobile the share sheet does the same from almost any app. Add it, close the tab, done.

7. Clear the Inbox Once a Day

Capturing everything only works if you trust it’ll get handled. If your Inbox sits at 200 tasks, your brain notices and starts holding onto things again.

I go through mine at the end of the workday. For each task I do one of four things: do it right away if it takes two minutes, move it to a project, give it a date, or delete it. It usually takes about ten minutes, and I delete more than I expected. A lot of what I capture doesn’t matter the next day, and that’s fine, writing it down is what let me stop thinking about it.

What Changed

After a few weeks I noticed I wasn’t running through my to-do list in my head anymore, and the late-night reminders mostly stopped. I also started capturing small things I used to ignore because writing them down didn’t seem worth it, and those turned out to be most of the noise.

I think capture is going to keep getting easier. Ramble already handles messy speech, and adding tasks from your watch, your car or a photo of a whiteboard doesn’t feel far off. Whatever tool you use, the goal stays the same: get it out of your head and into somewhere you’ll look again.

When Inbox Tasks Turn Into Projects

Once you’re capturing everything, some Inbox tasks turn into bigger things. “Launch the new landing page” becomes a parent task with eight sub-tasks under it.

That’s where Todoist always felt clunky to me. I rely heavily on checklists and daily routines, and the Today, Upcoming and filter views hide your sub-tasks, so I was stuck in the same annoying routine: open a task to see its sub-tasks, close it, open the next one, close it.

So I built Todowing, a Chrome extension that shows sub-tasks inline under their parent in Today, Upcoming, filter and label views, and lets you check them off and edit them right in the list. It only works on Todoist’s web app for now, since the desktop and mobile apps can’t load extensions.

It’s free to try (5 sub-task rows per task) and one-time for the full version, with all future updates included: https://todowing.com

If you use Todoist (or know someone who does), tell me what capture trick works for you, or what still feels clunky about Todoist. It helps me decide what to build next.

Web developer by day, builder of small tools on the side. I’ve used Todoist for years (tried Things, TickTick and Amazing Marvin, always came back), so I write about productivity systems, Todoist workflows and the small fixes that make them stick. When something annoys me enough, I build a fix for it.

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