Most people assume careful thinkers try to get every decision exactly right. The opposite is closer to the truth. Skilled decision-makers spend most of their energy figuring out how precise a given choice needs to be, and then they stop working the moment they hit that bar.
"Good enough" is a discipline, and like any discipline it takes practice.
Chasing perfection is expensive at work and exhausting at home. Getting better at everyday decisions starts with a simple sequence: know what the situation demands before you pick a tool, use a tool that matches the demand while you decide, and check your work against the standard you set.
Walk through those three stages and you'll notice how often you were over-measuring your life.
Set the Tolerance Before You Start
The first stage of any decision is deciding how much precision it deserves. Machinists do this before they touch a part. They read the print and figure out the tolerance, because a feature called out at plus-or-minus a thousandth of an inch demands a completely different approach than one called out at plus-or-minus a tenth of an inch. Everyday decisions have tolerances too. You just have to name them.
Picking a restaurant for a Tuesday dinner has loose tolerances. Picking a surgeon has tight ones. The mistake is applying the same effort to both. Psychologists have described this contrast for decades: the maximizer who searches every option against the satisficer who searches until an option clears a threshold they set in advance.
Setting the threshold is the whole skill. Ask two questions before you start. What does a successful outcome actually look like here, and what's the cost of overshooting it?
If the cost of overshooting is real (hours you don't have, money you'd rather spend elsewhere, the goodwill of the people waiting on you) you already know the tolerance is loose. Write it down if you have to. A stated bar is easier to hit than an unspoken one.
Match the Tool to the Job While You Decide
Once the tolerance is set, use a method that fits it. Reach for the highest-precision approach on every question and you'll grind to a halt. Reach for the lowest and you'll miss on the questions that matter. Precision instruments are a useful analogy. Calipers and micrometers measure the same thing (distance) but they answer different questions, and a good machinist knows which measuring tool belongs on which feature.
The same logic applies to how you gather information. A quick scan is your caliper; a slow, deliberate review is your micrometer. Use the wrong one and you either miss the answer or spend an afternoon on a question that deserved five minutes.
- Low-stakes, reversible. Which brand of paper towels, which meeting slot on Thursday, which side dish for dinner. Pick the first workable option and move on.
- Medium-stakes, semi-reversible. A new hire for a short project, the vendor for a one-year contract, the paint color in a room you can repaint. Give it a defined block of time, evaluate three or four options against your criteria, decide.
- High-stakes, hard to reverse. A senior hire, a home purchase, a medical decision. Slow down, gather primary information, and get a second opinion from someone with real expertise. This is your micrometer work.
Notice that the categories don't line up with how interesting a decision feels. Boring decisions can be high-stakes, and exciting ones are often trivial. Sort by consequence, not by how much you enjoy thinking about it.
Stop When You Hit the Bar
The last stage is the one perfectionists skip. Once a decision clears the tolerance you set at the start, you're done. Keep searching and the outcome doesn't improve; your anxiety does.
Harvard Business Review has made this point about perfectionist managers, noting that people tend to perform better and feel better when they hit "good enough" consistently than when they chase perfect and burn out.
At home this looks like buying the couch that meets your criteria instead of scrolling for two more weekends. At work it looks like shipping the report your boss asked for instead of polishing slides she didn't. Same discipline in both places: define the bar, hit it, walk away. Do that consistently and you free up the attention you need for the small number of decisions that genuinely deserve a micrometer.
Precision thinking is about being deliberate. Spend your careful attention where it earns its keep, and let the rest of your life run on a lighter touch.
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