By Stephanie Boucher, Registered Psychotherapist | The Mindful Loft
The short version: Overthinking is not a thinking problem. It is often a nervous system pattern, the mind doing what minds do when they do not feel safe enough to tolerate uncertainty. The goal is not to stop thoughts from arriving. It is to change your relationship to them. This post explains what may be driving overthinking, where the self-trust deficit often comes from, and what can actually help.
Overthinking rarely feels like overthinking while it is happening.
It feels like being responsible. Thorough. Prepared. The mind running through every possible outcome, every possible failure, every way something could go wrong, not because you are trying to make yourself anxious, but because if you just think hard enough, maybe you can prevent the worst from happening.
Except it does not work that way. The thinking does not prevent everything. It just keeps running.
If you have noticed this in yourself, the loops, the second-guessing, the 3 a.m. replays of conversations that are already over, this post is for you. Not with a list of tips to think your way out of overthinking, because that is usually not how it works. But with a clearer picture of what may actually be driving it, and what changes when you address it at the root.
What overthinking is actually doing
Overthinking is not only a thinking problem. It is often a nervous system problem.
The mind loops when the nervous system does not feel safe enough to tolerate uncertainty. The looping is not irrational. It is the brain’s attempt to gain control over something that feels uncontrollable.
If I can just anticipate every outcome, I will not be caught off guard.
If I can just figure out the right move, I will not have to feel the discomfort of not knowing.
The problem is that genuine uncertainty cannot be thought away. The worst-case scenarios you imagine do not resolve the uncertainty. They just generate more anxiety about it, which generates more thinking, which generates more anxiety.
That is the overthinking loop: not a sign of intelligence, failure, or lack of discipline, but a nervous system that has not yet found another way to handle not knowing.
People are talking much more now about nervous system dysregulation. This is part of what that can mean: a threat-detection system that cannot settle, scanning for danger even in situations that are not immediately dangerous, while the thinking mind stays busy so it feels like something is being done.
If you want to understand more about how stress and anxiety affect the brain and body, you may find it helpful to read The Effects of Stress and Anxiety on the Brain.
Where the self-trust deficit usually comes from
At the centre of overthinking is often a specific fear: not only that something bad will happen, but that you will not be able to handle it if it does.
That fear, I cannot trust myself to manage uncertainty, rarely comes from nowhere.
Clinically, I often see chronic overthinking connected to environments where self-trust did not have much room to develop. Childhoods where a child’s instincts were regularly overridden. Homes where their read on a situation was dismissed or corrected. Environments where being wrong had real consequences. Family systems where a child was asked to manage things no child should have had to manage.
In those environments, a child may learn something that gets carried into adulthood:
Do not trust your own judgment.
Think it through more carefully.
Plan for every contingency.
Do not relax until you are sure.
The overthinking that developed as a protective strategy in one context can become a default setting in many contexts.
This does not mean overthinking is a childhood trauma issue for everyone who experiences it. It does mean that for many people, addressing overthinking is not just about learning a new technique. It is about rebuilding something that was interrupted: the ability to notice what you think, feel, want, and know, without immediately doubting it.
What trusting yourself actually means
Trusting yourself does not mean being certain.
Certainty is not available for most of life’s real decisions. Trusting yourself means something smaller and more practical: believing that you can handle whatever the outcome turns out to be.
The distinction matters. Most overthinking is not actually about finding the right answer. It is about avoiding the feeling of not knowing.
The relief is not always in finding the perfect answer. Sometimes the relief comes from tolerating the not-knowing long enough for clarity to arrive on its own.
Trusting yourself means making a choice that aligns with your values, accepting that you cannot guarantee the outcome, and knowing that if it does not go the way you planned, you will be able to respond to that too. Not perfectly. Not painlessly. But adequately.
That kind of self-trust is not something you talk yourself into. It is built through practice: through making decisions and surviving the consequences, through noticing that you have handled hard things before, and through doing the internal work that lets you distinguish your actual judgment from the noise of anxiety.
What actually helps
There is no single trick that stops overthinking forever. The goal is not to eliminate thought. The goal is to change the loop.
Here are a few places to start.
Focus on what is true and what you can control
Overthinking often mixes several categories together: things that are true, things that are uncertain, and things you cannot control.
A useful practice is separating them.
Ask yourself:
What do I actually know to be true right now?
Not what I fear. Not what might happen. What is factually true in this moment?
Then ask:
What is within my control right now?
Is there an action to take? A conversation to have? A boundary to set? A next step to choose?
Then ask:
What is outside my control?
The other person’s reaction. The future outcome. Whether you will regret something later. Whether everything will unfold exactly as hoped.
Most overthinking is concentrated in that third category: the genuinely uncontrollable. These are not solvable through more thinking because they are not thinking problems. They are uncertainty problems, and the only answer to uncertainty is learning to tolerate it.
This is not a technique for eliminating the discomfort of uncertainty. It is a practice for pointing the mind toward what it can actually work with, instead of letting it spin in territory where it has no traction.
Make a choice and commit to it
One of the most reliable ways to build self-trust is to practice making decisions and following through on them, even small ones, even imperfect ones.
Overthinking is often a way of deferring commitment.
If I keep thinking, I do not have to decide.
If I do not decide, I cannot be wrong.
The safety is in the loop, not in the resolution.
What disrupts the loop is completion. Choosing a direction, not the perfect direction, a good-enough direction, and staying with it long enough to see what actually happens. Not what you imagined would happen. What actually happens.
Most outcomes are more manageable than overthinking predicts. Each time you discover that, you deposit something small into the account of self-trust.
Commit to imperfection
No decision is risk-free. Some choices will turn out well. Some will not. Neither outcome is the whole point.
Perfectionism and overthinking often travel together because perfectionism sets a standard that no real decision can meet: the right choice, no regret, no loss, no discomfort, no uncertainty.
When the standard is impossible, the only way to feel safe is to keep thinking, keep planning, keep delaying.
Releasing the requirement of a perfect outcome is not giving up. It is a more accurate understanding of how decisions work. You do what you can with what you know. You accept that the rest is not yours to control. And you remember that whatever comes, you have handled hard things before.
The role of self-compassion
Of all the factors that can sustain overthinking, self-criticism is one of the most powerful.
The harsh internal voice that says, You should have thought of that. You should have known better. You always do this, is not motivating. It is activating. It keeps the nervous system on alert and the mind in loop mode.
Kristin Neff’s research on self-compassion identifies three core components: mindfulness, common humanity, and self-kindness. Mindfulness means seeing your experience clearly without becoming fused with it. Common humanity means recognizing that struggle is part of being human, not proof that you are uniquely defective. Self-kindness means responding to your own pain with the same basic decency you would offer to someone you care about.
This matters for overthinking because self-criticism acts like a threat signal. When you are harsh with yourself, the nervous system reads danger. And a nervous system in danger tends to think more, not less.
This is why the “what would I say to a friend?” exercise can actually be useful, as basic as it sounds. Most people know instinctively what kindness sounds like when directed at someone they love. They apply it almost nowhere to themselves.
Self-compassion does not mean lowering your standards or avoiding responsibility. It means removing the shame that keeps your system activated. People often assume self-criticism keeps them accountable, but shame usually produces more avoidance, more rumination, and more paralysis.
There is also another piece here: over-identification. This is the tendency to become so fused with a thought or feeling that it stops being something you are experiencing and starts feeling like who you are.
I had an anxious thought becomes I am an anxious person.
I made a mistake becomes I am someone who ruins things.
I feel uncertain becomes I cannot trust myself.
Mindfulness interrupts this pattern. Not because it stops the thoughts, but because it changes your relationship to them. The thought arrives. You notice it. You do not have to follow it.
That is the core reframe: the goal is not to think fewer thoughts. It is to hold the thoughts you have more lightly.
What changes when you stop fighting the loop
Overthinking does not usually stop because you find better strategies. It softens when the nervous system begins to believe that uncertainty is something you can survive.
That shift is slower than a tip. It happens through repetition: through making decisions and surviving the outcomes, through meeting your own struggles with less harshness, through noticing that the worst-case scenarios you imagined rarely arrived, and that the ones that did, you handled.
It also happens, for many people, in a therapeutic relationship. Not because a therapist tells you what to decide, but because consistently being in a space where your judgment is taken seriously, your feelings are not dismissed, and you are not expected to perform certainty can itself be a corrective experience.
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Frequently asked questions
Is overthinking a mental health condition?
Not on its own, but it can be a significant feature of several mental health concerns, including generalized anxiety, obsessive-compulsive patterns, and depression.
More commonly, overthinking is a learned pattern: a coping strategy the nervous system developed in response to uncertainty or environments where being wrong had consequences. It is workable, and it often responds well to therapy, self-compassion, mindfulness, and practices that build tolerance for uncertainty.
Why do I overthink even when things are going well?
Because overthinking is not always a response to the current situation. It can become a default setting the nervous system falls back on.
When self-trust is low, the mind fills uncertainty with thinking regardless of the external circumstances. Things going well can even intensify overthinking because it raises the stakes: now there is something worth protecting.
What is the difference between thinking things through and overthinking?
Thinking things through is purposeful and eventually reaches a conclusion. Overthinking loops without resolution.
If you have considered a situation, weighed the relevant information, and reached a decision, that is useful thinking. If you are still circling the same question an hour later without getting closer to clarity, that is probably overthinking: the mind trying to solve for something that cannot be solved through more thought.
Does self-compassion mean letting yourself off the hook?
No. Self-compassion is not self-indulgence or lowered standards. It is recognizing that harsh self-criticism does not usually produce better outcomes. It often produces more anxiety, shame, avoidance, and rumination.
Self-compassion means holding your struggles and mistakes with the same basic decency you would extend to someone you care about. That kind of response often makes it easier to take responsibility, because you are not using all your energy defending against shame.
When does overthinking need professional support?
Consider seeking support when overthinking has been going on long enough that it is affecting your sleep, relationships, work, decision-making, or ability to move forward.
It may also be time for support when you have tried strategies on your own and the relief is temporary, or when the overthinking feels connected to something deeper: earlier experiences, chronic self-doubt, anxiety, relational stress, or a persistent sense that you cannot trust your own judgment.
Those are signs the work may need to go somewhere a technique alone cannot reach.
Related articles
- The Key to Overcoming Anxiety Most People Miss: Addressing Anxiety About Anxiety
- The Effects of Stress and Anxiety on the Brain
- Understanding the Impact of Complex PTSD from Childhood Trauma
Further reading
Kristin Neff, Self-Compassion: The Proven Power of Being Kind to Yourself. A clear, accessible introduction to self-compassion and why harsh self-criticism does not help us change as effectively as we think it does.
Kristin Neff and Christopher Germer, The Mindful Self-Compassion Workbook. A practical workbook with exercises based on the Mindful Self-Compassion program.
References
Neff, K. D. (2023). Self-compassion: Theory, method, research, and intervention. Annual Review of Psychology, 74, 193-218. https://doi.org/10.1146/annurev-psych-032420-031047
Haller, H., Breilmann, P., Schröter, M., Dobos, G., & Cramer, H. (2021). A systematic review and meta-analysis of acceptance- and mindfulness-based interventions for DSM-5 anxiety disorders. Scientific Reports, 11, 20385. https://doi.org/10.1038/s41598-021-99882-w
This article is for educational purposes and is not a substitute for individualized mental health care.
If you are in crisis or require immediate assistance, please call 911 or visit your local Emergency Department, or call or text Canada’s Suicide Crisis Helpline at 9-8-8.
