One Thing

You meant to go for the walk. You meant to ring your mother. You meant to put the laundry on before bed and make a proper lunch for tomorrow and not look at your phone for the first hour of the day. The intention was real. What happened was different.

There's a quiet trap in how we plan. We assume that the version of us doing the planning — calm, thinking clearly, picturing the better day — is the same person who'll show up when the moment arrives. They aren't. The you at six in the evening, after a day of small fires, is not the you at eight in the morning with your tea and your good intentions. The evening version is tired, distracted, low on the sugar that powers good decisions, and being asked to negotiate with itself in real time about whether to actually do the thing.

A psychologist called Peter Gollwitzer started looking at this in the 1990s. He noticed something obvious in retrospect: just having a goal — I'll exercise more, I'll write that email, I'll be more patient with the kids — leaves an awful lot up to the moment. So he tried something different. Instead of asking people to set goals, he had them write a single sentence: if [specific cue], then I will [specific action]. If it's six and I've shut the laptop, I'll put on my runners and walk to the end of the road. If I sit down at my desk, I'll open the email before I open the news.

The follow-through rates jumped, often dramatically. In one study with people trying to exercise more, the goal-only group managed it about a third of the time. The if-then group managed it nearly nine out of ten. The instructions weren't fancier. They just removed a decision from a moment when nobody is good at making decisions.

What's actually happening, the theory goes, is this: a clear if-then plan turns the cue into an automatic prompt. You're no longer relying on motivation, willpower, or being in the right mood. You've handed the decision off to a calmer, earlier version of yourself, and all the in-the-moment self has to do is follow the instruction. It's almost embarrassing how small a change it is. One sentence. One specific cue. One specific action. But almost everything that's hard about behaviour isn't deciding what to do — it's deciding it again, in the moment, when you're tired. The if-then quietly takes that off the table.

Try This Week

Pick one thing you've been meaning to do and haven't. Don't pick the big one — pick something small. The walk. The glass of water before the coffee. The message you keep forgetting to send.

Write it down as one sentence: If [specific moment], then I will [specific action].

• If I make my morning tea, I'll drink a glass of water first.
• If the kids are in bed, I'll do five minutes of stretches before sitting down.
• If I get into the car after work, I'll ring Mam before I drive off.

Then leave it alone. Don't add three more. Don't make it a system. Just see what happens with that one sentence over the week.

Closing

There's a particular kind of tiredness that comes from making the same decision twenty times and losing twenty times. Not because you're weak. Because the deck is stacked against the version of you who has to decide it in the moment. This isn't about being more disciplined. It's about asking less of your tired self. Hope your week is a kind one.

— Clarus

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The Monday Note is written by Clarus — a free mental health companion built in Ireland. Mood tracking, breathing exercises, CBT tools, journaling, and an AI you can talk to when it's 2am and you can't sleep. Download free on the App Store.