How to Master Letting Go of Past Mistakes with Common Sense Psychology
Jul 13, 2026

Dr. Grant W. Johnson, counseling psychologist and author of Common Sense Psychology for Everyday Living, shares practical wisdom on letting go of past mistakes for everyday people navigating the heavy weight of regret. Have you ever spent a perfectly good night’s sleep reliving a choice you made a decade ago? It is a common struggle for us "Garden Variety Nuts" to let a single bad season of life define who we are today.
I know how heavy that burden feels because I have sat across the kitchen table from hundreds of folks carrying the same load. You likely believe that if you just punish yourself long enough, you will somehow make things right. I promise you that there is a more practical, jargon-free way to release that regret and reclaim your peace. In this article, Dr. Grant provides a straightforward framework to process your history, demote your past from a judge to an advisor, and finally give yourself permission to be human once again.
Key Takeaways
Discover how to demote your past from a harsh judge to a helpful advisor, allowing you to live more fully in the present.
Learn why the "should have" trap keeps us stuck and how to view your old choices through a lens of grounded common sense.
Master a simple five-step framework for letting go of past mistakes that focuses on practical logic rather than clinical overthinking.
Identify the difference between healthy ownership and unnecessary drama so you can process regret without losing your sense of self.
Understand why releasing the past is a steady, daily practice that benefits from the consistent wisdom found in Dr. J's guide for everyday living.
Table of Contents
Understanding the Burden of Letting Go of Past Mistakes
The Common Sense Psychology of Regret
Common Sense vs. Clinical Overthinking
Practical Steps for Letting Go of Past Mistakes Today
Moving Forward with Common Sense Psychology for Everyday Living
Understanding the Burden of Letting Go of Past Mistakes
Dr. Grant W. Johnson, counseling psychologist and author of Common Sense Psychology for Everyday Living, shares practical wisdom on letting go of past mistakes for everyday people navigating the weight of regret. To me, letting go isn't some mystical or airy concept. It's the logical process of acknowledging a past action without allowing it to dictate your current identity. Think of it as demoting your past from a harsh judge to a quiet advisor who only speaks when you ask for its input.
Our brains are actually wired to remember the messy parts of our history more vividly than the wins. It's a survival mechanism designed to keep us from touching the hot stove twice. However, there's a massive difference between healthy reflection and the toxic loop of the psychology of dwelling on mistakes. Reflection helps you grow; dwelling just keeps you stuck in a dark room reliving your worst moments while life passes you by outside the window. One is a tool for learning, while the other is just a way to beat yourself up without a purpose.
Why We Carry the Weight of Yesterday
Most of us have a natural human desire for a "do-over." We spend hours imagining what we'd say or do differently if we could just step back in time. This desire is exactly what keeps us stuck. Regret acts like a heavy anchor in our daily lives, dragging behind us and making every new step feel twice as hard as it needs to be. To find peace, you have to consciously transition from the dead-end question of "Why did I do that?" to the productive, forward-facing question of "What do I do now?" You can't steer the car if you're staring exclusively in the rearview mirror.
The 'Garden Variety Nut' Perspective
In my fifty years of work, I've found that we're all just "Garden Variety Nuts" trying to make sense of a complicated world. Everyone you meet has a closet full of old errors and seasons they aren't proud of. You don't need a clinical diagnosis or a textbook full of jargon to feel the sting of the past; you just need to be a person who has lived a little. Normalizing this messiness is the first step toward clarity. You can Learn more about the common sense approach to these everyday hurdles and how to stop letting your history hold your future hostage. We're all in this together, and nobody gets through life without a few scuffs on their boots.
The Common Sense Psychology of Regret
I spent a good portion of my younger years as a dairy farmer, and one thing you learn very quickly in a barn is that you cannot un-spill the milk. Once it hits the floor, it is gone. You can stand there and yell at the bucket, you can cry over the loss, or you can grab a mop and clean the floor so nobody slips. Real life works the same way. Letting go of past mistakes is not about pretending the milk never spilled; it is about realizing that your current job is to clean the floor and keep walking. Most people get stuck because they are still trying to pour the milk back into the bucket using only their thoughts.
We often look back at our old choices and feel a deep sense of shame because we are judging our "past self" with our "current brain." This is a bit of a trick our minds play on us. When you made that choice five or ten years ago, you did not have the wisdom you have today. You made the best decision available to you using the limited tools and information you had at the time. Dr. J often reminds folks that if you knew better back then, you would have done better. Since you didn't, it is time to stop the trial and let yourself off the hook.
Demystifying the 'Should Have' Trap
The "should have" trap is a psychological loop where we convince ourselves that the past was predictable. We tell ourselves we should have seen the red flags or should have known the business would fail. In reality, hindsight is a distorted lens that makes the past look much clearer than it actually was. Regret is simply a conflict between the wisdom you have today and the actions you took yesterday. To start getting over the guilt of past mistakes, you must accept that your past self was operating in a fog that has only now cleared.
The Role of Identity in Personal Growth
One of the biggest hurdles for us "Garden Variety Nuts" is that we tend to turn a single bad behavior into a permanent character trait. We say "I am a failure" instead of "I failed at that specific task." There is a massive world of difference between doing a bad thing and being a bad person. When you label yourself based on a single season of life, you stop growing. You can find more Psychology for Normal People in our recent guides to help separate your actions from your worth. If you are ready to move forward, you might find some practical tools for your journey in our book formats that help break these old cycles of self-criticism.
Common Sense vs. Clinical Overthinking
Many folks believe that you need a leather couch and an expensive hourly rate to find a little peace of mind. While some situations certainly require professional help, a lot of the heavy lifting involved in letting go of past mistakes can happen right at your own kitchen table. I have spent over 50 years as a counseling psychologist, and if there is one thing I have learned, it is that academic theory often makes simple human problems look way more complicated than they actually are. We get so wrapped up in fancy labels and clinical definitions that we forget to look at the logical consequences of our actions and how to fix them.
The truth is that jargon often acts as a wall between you and the solution. When a textbook uses five-syllable words to describe your regret, it makes the problem feel like something only a specialist can handle. I prefer a "straight-talk" approach that focuses on what works in the real world. If a strategy doesn't help you sleep better tonight or treat your spouse better tomorrow, it isn't worth much. Practical wisdom is about finding the shortest path between where you are stuck and where you want to be.
A Question of Practicality: How do I deal with stress without seeing a therapist?
The answer lies in the application of common sense psychology. You don't always need a clinical deep-dive to move forward; you need a toolkit of grounded strategies for daily resilience. Start by using logical consequences to evaluate your past actions. Ask yourself: "What was the actual result of that choice, and what did I learn?" Once you have the lesson, the regret has served its purpose. Building this kind of mental habit allows you to process stress in real-time. It turns a "messy" life into a manageable one without the need for constant professional intervention.
Moving Beyond the Ivory Tower
Before I ever sat in a university classroom to earn my Ph.D., I spent my days laying railroad ties and working on a dairy farm. Those jobs taught me that when something is broken, you don't just talk about it; you find a way to mend it. That "work-boots" perspective informs everything I do as a counseling psychologist. I wrote my book for all the "Garden Variety Nuts" who are tired of overthinking and ready for some clarity. You can explore Dr. J's blog for more practical tips that skip the ivory tower theories in favor of what actually helps people live better lives. Simple solutions are often the most effective because they are the ones you will actually use when life gets loud.
Practical Steps for Letting Go of Past Mistakes Today
If you are tired of the "why" and ready for the "how," I have a simple five-step process for letting go of past mistakes that I have shared with folks for decades. This is not about magic; it is about logic. When we get stuck, it is usually because we have stopped moving forward and started circling the drain. These steps are designed to get your feet back on solid ground. We "Garden Variety Nuts" often overcomplicate things, but these five steps keep the process grounded in reality.
Step 1: Own the mess without the drama. Admit what happened without adding a list of reasons why you are a terrible person.
Step 2: Identify the logical consequence. Look at the actual fallout of the event. Did you lose money, hurt a friend, or just bruise your ego?
Step 3: Correct what can be corrected and leave the rest. If you owe an apology or a debt, pay it. If the damage is permanent, acknowledge that and move to the next step.
Step 4: Update your Internal Operating Manual. Take the lesson and write it down as a new rule for your future self.
Step 5: Re-engage with the present moment. Get back to the work of living today.
Owning the Mess Without the Drama
The first step is often the hardest because we like to wrap our errors in a thick layer of excuses or, worse, self-punishment. Naming the mistake clearly is always better than making excuses. When you make an excuse, you stay a victim of the situation. When you own it, you take back the wheel. To strip the emotion away, describe your past mistake in exactly ten words. This prevents the catastrophizing lens, which is the habit of making a small error feel like a world-ending event. A mistake is just an event; it is not your entire biography.
Updating Your Internal Operating Manual
I like to think of our personal growth as a series of software updates. When you make an error, you have just discovered a bug in your system. Treat these mistakes as data points for future success rather than reasons for shame. By proving to yourself that you can learn and change, you build real self-confidence that isn't based on being perfect. You can find more Practical Psychology Tools for Daily Life to help you build these habits. If you want a more detailed guide for this journey, you can pick up a copy of my book, which is available in print, as a flip book, and as an audio book, to keep these strategies close at hand.
Moving Forward with Common Sense Psychology for Everyday Living
You don't just wake up one morning and find that you have finished letting go of past mistakes forever. It is a steady, daily practice; much like keeping a garden or maintaining a house. You don't pull the weeds once and expect them to stay gone for good. Instead, you develop the habit of noticing when a regret starts to sprout and you use your common sense to deal with it before it takes over the whole yard. I wrote Common Sense Psychology for Everyday Living to be a steady companion for you as you navigate these messy parts of being human.
My book isn't filled with academic theories that only work in a lab. It is a collection of practical wisdom gathered from over 50 years of listening to people just like you. I have organized it into 37 categories of wisdom that cover just about every life stage and hurdle you might face. Whether you are struggling with a career shift, a difficult relationship, or the simple weight of getting older, these chapters offer the kind of "straight-talk" advice you'd expect from a trusted mentor at the kitchen table. It is a manual for all us "Garden Variety Nuts" who just want to live a little more peacefully.
A Resource for Every Life Challenge
From workplace stress to the complications of parenting, common sense applies everywhere. You can keep this wisdom close by in whatever way fits your lifestyle best. Some folks like the weight of a physical book in their hands, while others prefer the convenience of a flip book on their tablet. If you are a busy adult who spends a lot of time in the car or on the go, the audio book is a great way to have a "wise grandfather" in your ears while you go about your day. You can Get the book on Amazon or find all the formats at buy.commonsensepsychologyforeverydayliving.com.
Your Next Steps Toward Clarity
I want to encourage you to take one small action today. Don't try to release every regret you have ever had in one sitting. Pick just one mistake that has been weighing on you and apply the five-step process we discussed. Own it without the drama, find the lesson, and then give yourself permission to move on. Remember that being a "Garden Variety Nut" is just part of the human experience. We all make errors, and we all have the capacity to learn from them and do better tomorrow. Your past is a teacher, not a prison cell.
Dr. Grant W. Johnson's Common Sense Psychology for Everyday Living is available on Amazon in print, or as a flip book and audio book at buy.commonsensepsychologyforeverydayliving.com.
Dr. Grant W. Johnson's content is for educational and informational purposes only and does not constitute psychological treatment, medical advice, or therapy. If you are experiencing a mental health condition, please consult a qualified professional.
Finding Your Way Forward with Clarity
You now have a practical toolkit for letting go of past mistakes. We have explored how to demote your history from a harsh judge to a quiet advisor by using a logical five-step process. Remember that we are all just "Garden Variety Nuts" doing our best with the tools we have at the time. You don't need to stay stuck in a loop of regret when you can choose to update your internal manual and re-engage with the present moment today.
With 50 years of experience as a counseling psychologist, I provide PhD-level wisdom without the confusing jargon. If you want a steady guide for the road ahead, please Order Dr. J's Common Sense Psychology for Everyday Living on Amazon. It is available in print, as a flip book, and as an audio book to fit your lifestyle. You have what you need to start living with more peace and purpose. Be kind to yourself as you move forward.
Dr. Grant W. Johnson's Common Sense Psychology for Everyday Living is available on Amazon in print, or as a flip book and audio book at buy.commonsensepsychologyforeverydayliving.com.
Dr. Grant W. Johnson's content is for educational and informational purposes only and does not constitute psychological treatment, medical advice, or therapy. If you are experiencing a mental health condition, please consult a qualified professional.
Frequently Asked Questions
Is it possible to ever truly forget a major past mistake?
No, you likely won't forget a major error, but you can certainly change its purpose in your life. Instead of it being a heavy chain, it becomes a boundary marker that tells you where not to walk again. Letting go of past mistakes isn't about erasing your memory; it's about making sure the memory doesn't have the power to ruin your afternoon. You want that memory to be a quiet reference book, not a loud alarm clock.
How do I know if my regret is 'normal' or if I need professional help?
Regret is normal when it motivates you to do better, but it's time for professional help if it prevents you from working, sleeping, or eating. If you're stuck in a loop where you can't function in your daily life, you might need a hand to get out. For most of us "Garden Variety Nuts," however, a dose of common sense is usually enough to get the wheels turning again and find clarity.
Can common sense psychology help with mistakes made in relationships?
Absolutely, because relationships are just two people trying to navigate life without a map. Common sense psychology helps you see that a relationship mistake is usually a failure of communication or a lack of tools. Dr. Grant often says that once you identify the "why" behind a choice, you can fix the "how" for the next time around. It's about learning the mechanics of how people actually relate to one another.
What if the person I hurt refuses to forgive me?
You are only responsible for cleaning your side of the street. If you have genuinely apologized and tried to make things right, your job is done. You cannot force someone else to forgive you. Letting go of past mistakes means accepting that some bridges might stay burned while you continue walking on your own path. Their refusal to forgive is their journey; your growth is yours.
How can I stop the 'late-night' thoughts about my past?
Those late-night thoughts happen because your brain is trying to "solve" a problem that happened years ago. I often tell folks to keep a notepad by the bed. Write the thought down in ten words or less and tell your brain, "We'll look at this tomorrow." Giving the thought a physical place to stay can help quiet the noise so you can sleep. It's a simple way to park the mental car for the night.
Is there a difference between guilt and shame in common sense psychology?
Yes, and the difference is vital for your peace of mind. Guilt is a logical response that says "I did a bad thing," which helps us correct our behavior. Shame is a toxic lie that says "I am a bad person," which just keeps us stuck in the mud. Common sense psychology focuses on fixing the behavior without attacking your character. You can't fix a person, but you can always fix a habit.
How do I start trusting myself again after a big failure?
You start by giving yourself small, manageable tasks and following through. If you can't trust yourself with big life decisions yet, start with small ones, like sticking to a morning routine or finishing a chore. Trust is earned back in inches, not miles. Over time, these small wins prove to your brain that you are capable of making good choices again. It's about building a new track record of success.
Get the Latest
Be the first to discover insider tips, cultural itineraries, and the hidden gems of your favorite destinations.



