How to Stop Overthinking Everything: Why Your Brain Won’t Let Things Go

This article is for informational purposes only and does not constitute professional mental health advice or create a therapist-client relationship.

You’ve already made the decision. But then you start thinking about it again. Was that actually the right choice? What if I missed something? Maybe I should think about it one more time.


Or maybe it’s a conversation you had earlier in the day. You replay what you said, think about what the other person meant, and wonder if you should have responded differently.


Before you know it, you’ve spent an hour thinking about something you thought you had already figured out. If this sounds familiar, you may have wondered: Why do I overthink everything? And how do I make it stop?


Overthinking can be exhausting. But it can also be difficult to recognize because it often feels like you're doing something useful. You're analyzing. Preparing. Trying to make a good decision. Trying to prevent something from going wrong.


The problem is that there’s a point where thinking stops helping you solve the problem and starts keeping you stuck in it.


Why Do I Overthink Everything?

Overthinking often comes from a very understandable place: your brain wants certainty. If you can think through every possible outcome, maybe you can avoid making the wrong decision. If you replay the conversation enough times, maybe you'll figure out exactly what the other person was thinking. If you prepare for every possibility, maybe nothing will catch you off guard. If you research a little more, maybe you'll finally feel confident enough to choose.


For people who struggle with anxiety or perfectionism, this can become an especially easy pattern to fall into. Your brain learns:


Uncertainty feels uncomfortable → think about it more → feel temporarily more in control.



So you keep thinking. The problem? More thinking doesn't always create more certainty. Sometimes it just creates more questions.


When Problem-Solving Turns Into Overthinking

Thinking something through isn't a bad thing. We need to consider consequences, make plans, weigh options, and reflect on our experiences. So how do you know when you've crossed the line into overthinking?


One question can help: “Am I actually solving this, or am I going in circles?” Problem-solving usually moves somewhere.Maybe you gather information, identify your options, make a plan, or decide what your next step will be.


Overthinking tends to bring you back to the same questions without giving you much new information. What if I'm wrong? But what if this happens? Should I reconsider? Maybe there's something I haven't thought about yet. You might spend a lot of mental energy on the problem without getting any closer to a decision.


That's the frustrating thing about overthinking: it can feel productive while keeping you stuck.

Person laying on a bed overthinking decisions with a laptop in a warm, wood-paneled room beside a lit lamp

Why Anxiety Makes You Want to Be Certain

Anxiety isn't particularly comfortable with “I don't know.” It wants answers. Preferably now. When the outcome matters to you, uncertainty can feel even harder to tolerate. Maybe you're deciding whether to change jobs. You want to know you'll be happier before you leave. Maybe you're sending an important email. You want to know exactly how the other person will interpret it before you hit send. Maybe you're dating someone. You want to know where the relationship is going before allowing yourself to relax into it.


These are understandable things to want. But sometimes you're asking yourself to know something that isn't actually knowable yet. No amount of thinking can guarantee how another person will respond, whether you'll ever regret a decision, or exactly how something will turn out. That doesn't necessarily stop your brain from trying.


Perfectionism Can Make Overthinking Even Louder

Overthinking and perfectionism often work well together. If you believe there's a “right” decision, it makes sense that you'd want to keep thinking until you find it.

You might tell yourself: I just need to make sure. I don't want to make a mistake.

I should have thought this through better. What if I regret this later?


Underneath those thoughts may be a belief that making the wrong decision says something about you. Maybe it means you weren't careful enough. Smart enough.

Prepared enough. Responsible enough.


So instead of asking yourself to make a reasonable decision with the information you have, you start asking yourself to make a perfect decision with information you don't have yet. That's an impossible standard.


Signs You May Be Stuck in an Overthinking Loop

Overthinking doesn't always look like sitting alone worrying for hours. It can sneak into everyday situations. You might notice that you:

  • Replay conversations and analyze what you or someone else said.
  • Write and rewrite messages before sending them.
  • Regularly ask other people what they think you should do.
  • Research a decision long after you already have enough information.
  • Make a choice and then immediately start questioning it.
  • Imagine multiple worst-case scenarios so you can feel prepared.
  • Have difficulty letting go of mistakes or awkward moments.
  • Put off decisions because you're waiting to feel completely certain.
  • Frequently wonder whether you made the “right” choice.


You may even make perfectly reasonable decisions and still struggle to trust them afterward. And that's an important distinction. Sometimes the problem isn't that you don't know how to make decisions. It's that you don't trust yourself once you've made one.


How to Stop Overthinking Everything

Trying to force yourself to “just stop thinking about it” usually isn't very helpful. If it were that easy, you probably would have done it already. Instead, the goal is to recognize when thinking has stopped being useful and practice responding differently.


1. Ask Whether You're Solving or Circling

When you notice yourself returning to the same issue, pause. Ask:

“Am I actually solving this, or am I going in circles?”


Then get specific. Is there new information I need? Is there an action I can take? Or am I asking myself the same questions hoping I'll eventually feel completely certain?


If there is useful information to gather, gather it. If there's an action to take, take it. But if you're repeating the same mental conversation, more thinking may not be what you need.


2. Replace “Am I Sure?” With “Do I Know Enough?”

Overthinking often asks you to reach an impossible threshold: Be completely certain before moving forward.


Try changing the question. Instead of: Am I sure this is the right decision? Ask: “Do I have enough information to make a reasonable decision?”


There's a big difference between making a careless choice and making a thoughtful choice without knowing exactly what will happen. Most decisions in life require some uncertainty.


3. Give Yourself a Decision Deadline

If you tend to endlessly research or weigh your options, give yourself a stopping point. For a smaller decision, maybe you give yourself ten minutes. For something bigger, maybe you decide you'll gather information until Friday and then make your choice.


The point isn't to rush yourself. It's to recognize when additional thinking is no longer giving you meaningful new information. At some point, you have to move from thinking about the decision to actually making it.


4. Notice When You're Looking for Reassurance

Sometimes overthinking moves outside our own heads. You ask one friend what they think. Then another. Then maybe someone else just to make sure.


Reassurance can feel good in the moment. But if you repeatedly need someone else to tell you that your decision is okay, it can make it harder to build confidence in your own judgment.


Before asking someone else, pause and ask: “What do I think?”


You can still seek support. The goal isn't to never ask for advice. It's to make sure your own voice is part of the conversation.


5. Practice Letting a Decision Stay Made

You've made the choice. Now comes the hard part: Don't reopen it. Notice when your brain wants to go back. Maybe I should reconsider. What if I got it wrong? Let me think about it one more time.


Instead of automatically following the thought, try: “I've already made this decision. I'm going to let it stand.” The discomfort may still be there. That's okay. You don't have to feel completely confident before you stop reconsidering.


6. Let Yourself Be Uncertain

This may be the hardest part. Overthinking often isn't really about finding a better answer. It's about trying to get rid of the uncomfortable feeling of not knowing.


But what if the goal isn't to eliminate uncertainty? What if the goal is learning that you can handle it? You can send the email without knowing exactly how it will be received. You can make a decision without knowing whether you'll ever regret it. You can have a conversation without planning every possible response. You can move forward without knowing exactly what happens next.


Self-Trust Doesn't Mean Always Making the Right Decision

One reason overthinking can be so difficult to let go of is that we often misunderstand what it means to trust ourselves.


Self-trust isn't believing you'll always make the perfect choice. You won't. None of us will. Self-trust is knowing that even if something doesn't go exactly as planned, you can respond to what happens next. Maybe you'll change your mind. Maybe you'll learn something. Maybe you'll ask for help. Maybe you'll make a different decision next time. The goal isn't to predict every outcome. It's to trust yourself enough to take the next step without having all the answers first.


So the next time you notice yourself going back over the same decision, conversation, or worry, ask: “Am I actually solving this, or am I going in circles?”


If you've already done the thinking you need to do, see what happens when you let yourself move forward. You don't need complete certainty to take the next step.

Sometimes confidence comes after you take it.

Samantha Keiser - Stone and Sapling Psychotherapy
Samantha Keiser • October 6, 2026

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Samantha Keiser, LCSW

Founder of Stone & Sapling Psychotherapy

If you're tired of overthinking every decision, holding yourself to impossible standards, or constantly feeling like you should be doing more, you're in the right place.


I'm a Licensed Clinical Social Worker who works with young adults navigating anxiety, perfectionism, stress, and life transitions. My approach is supportive, practical, and action-oriented to help you better understand the patterns keeping you stuck while building the confidence and self-trust to move forward.


Through these articles, I hope to give you practical tools and a place to pause, reflect, and see things a little differently. And if you're ready for more personalized support, you don't have to figure it all out on your own.



I offer virtual therapy throughout Oregon and California. Reach out to learn more or schedule a consultation.

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