Written by Jamie Glass, LCSW, CSAT, CPTT, EMDR — Licensed Clinical Social Worker specializing in trauma, anxiety, relationships, and therapy for high-performing adults at Glass Psychotherapy. Read Jamie’s full bio →
Updated: 09/14/26
Perfectionism and anxiety can make a relatively ordinary mistake feel like evidence that you’re less competent than everyone believes. Instead of registering the mistake, correcting it, and moving forward, your mind may keep returning to what happened. This pattern is especially common when achievement has become closely connected to identity, self-worth, or your sense of security.
The Short Version
A mistake can feel disproportionately upsetting when your sense of competence carries emotional weight beyond the situation itself. High achievers may respond by replaying what happened, working harder, or becoming more vigilant about future mistakes. When perfectionism and anxiety reinforce each other, success provides temporary relief but rarely changes the underlying fear of getting something wrong.
Table of Contents
- Why Do Small Mistakes Feel So Big?
- When Achievement Becomes Part of Your Identity
- The Hours After the Mistake Are Often the Hardest Part
- Why Reassurance Doesn’t Seem to Stick
- Perfectionism Doesn’t Always Look Like Perfection
- What Does Perfectionism Cost Outside of Work?
- Where Does Fear of Failure Come From?
- Can You Be Ambitious Without Being Controlled by Achievement?
- When Therapy Can Help With Perfectionism and Anxiety
- Frequently Asked Questions
Why Do Small Mistakes Feel So Big?
Small mistakes can feel enormous when your mind interprets them as information about who you are rather than something that happened.
Maybe you gave an answer in a meeting that you later realized was incomplete. You missed something in an email. Your boss gave you constructive feedback on a project that was otherwise strong.
The practical consequences may be minor.
Your internal response may last for hours.
You think about who noticed. You wonder whether someone’s perception of you changed. You mentally reconstruct the moment and consider what you should have said differently.
Eventually, the amount of distress has very little to do with the mistake itself.
It has much more to do with what the mistake seems to mean.
When Achievement Becomes Part of Your Identity
There is nothing inherently unhealthy about caring deeply about your work.
For many high-achieving people, competence is a genuine source of pride. They’ve spent years developing expertise and have made real sacrifices to build careers that matter to them.
The difficulty begins when achievement starts doing additional emotional work.
Being successful may provide reassurance that you’re valuable. Recognition may make you feel secure. Being the person who can handle difficult situations may become central to how other people see you and how you see yourself.
That can make ordinary professional setbacks surprisingly personal.
Criticism of the work feels like criticism of you.
And if you’ve become accustomed to being exceptional, being average at something can feel far more threatening than it objectively is.
The Hours After the Mistake Are Often the Hardest Part
Perfectionism frequently continues long after everyone else has moved on.
You leave the meeting, but the meeting comes with you.
On the train home, you remember exactly how someone responded. During dinner, you think of a better answer. Later that night, you consider sending an email to clarify something that probably doesn’t need clarification.
By the next morning, the event may have expanded considerably in your mind.
This is where perfectionism and anxiety feed each other.
Anxiety searches for evidence of a problem. Perfectionism responds by trying to make sure the problem can never happen again.
You prepare more. Check more carefully. Raise your standards.
For a while, that can feel productive.
It can also make the next mistake feel even more consequential.
Why Reassurance Doesn’t Seem to Stick
People with perfectionistic anxiety often receive plenty of evidence that they’re doing well.
Their performance reviews are strong. Colleagues respect them. Their career continues progressing.
And yet one critical comment can outweigh months of positive feedback.
Reassurance may help briefly, but the relief doesn’t always last.
That’s because the underlying concern isn’t necessarily whether you performed well on one particular day. It may be whether you can continue being the competent person you’ve learned to depend on.
If confidence relies heavily on external evidence, it requires constant renewal.
Another accomplishment helps.
Until the next uncertain moment.
Perfectionism Doesn’t Always Look Like Perfection
Some perfectionism is easy to recognize. You spend too long refining your work or hold yourself to unusually high standards.
Other forms look like procrastination.
If doing something imperfectly feels threatening, starting can become difficult. You may wait until you feel completely prepared, avoid opportunities where you aren’t certain you’ll excel, or spend excessive time researching a decision because choosing incorrectly feels unacceptable.
Perfectionism can also make delegation difficult.
Giving someone else responsibility means accepting that they may approach a task differently than you would. For someone who manages anxiety through control, that can create more discomfort than doing everything yourself.
These patterns can be mistaken for being exceptionally conscientious.
The difference is often how much freedom you feel you have.
What Does Perfectionism Cost Outside of Work?
The effects of perfectionism rarely stay neatly contained within a career.
A demanding day may leave you mentally absent during dinner. Feedback from a colleague can change your mood with your partner. Weekends become opportunities to catch up instead of time that feels genuinely separate from work.
Perfectionism can enter relationships in subtler ways, too.
You may find it difficult to let someone see you when you don’t have an answer. You might avoid discussing a problem until you’ve already figured out how to solve it. Receiving support can feel uncomfortable because you’re more accustomed to being the capable person in the relationship.
Even leisure can become performance-oriented.
Exercise has metrics. Hobbies need progress. Vacations require an itinerary.
When achievement has shaped your life for a long time, doing something with no measurable outcome can feel surprisingly strange.
Where Does Fear of Failure Come From?
There isn’t one explanation for perfectionism.
For some people, high standards were strongly rewarded growing up. Achievement brought praise, attention, or a sense of belonging.
Other people learned that mistakes brought criticism or unpredictability.
Professional environments can reinforce these patterns. Competitive schools, demanding industries, and workplaces where errors have meaningful consequences can make vigilance useful.
Past relationships can play a role as well. If acceptance once felt conditional, becoming impressive or indispensable may have offered a sense of security.
Understanding where your perfectionism developed isn’t about finding someone to blame.
It can help explain why lowering your standards through sheer willpower rarely works.
The pattern may be protecting something deeper than your résumé.
Can You Be Ambitious Without Being Controlled by Achievement?
Yes. Addressing perfectionism does not require becoming less driven.
A healthier relationship with achievement gives you more flexibility around the inevitable moments when you aren’t exceptional.
You can care about producing excellent work without interpreting every correction as a verdict on your competence. You can prepare thoroughly and eventually decide you’ve prepared enough. You can want the promotion while still having a sense of self that survives if you don’t get it.
For many high-performing adults, this distinction matters.
They aren’t coming to therapy because they want to stop caring about their careers.
They want success to stop costing quite so much internally.
When Therapy Can Help With Perfectionism and Anxiety
Therapy can be useful when achievement still looks rewarding from the outside but maintaining it has become emotionally exhausting.
At Glass Psychotherapy, we work with high-performing adults who may be doing very well professionally while privately dealing with anxiety, self-criticism, relationship strain, or a persistent fear of falling short.
Therapy gives you room to examine what success has come to represent.
That may include exploring early expectations, relationship experiences, anxiety, self-worth, or the ways you’ve learned to create safety through competence.
You don’t have to lower every standard you’ve worked hard to develop.
You can become more discerning about which standards deserve your energy and which ones are being driven by fear.
Frequently Asked Questions
Are perfectionism and anxiety connected?
Yes. Perfectionism can increase anxiety by creating rigid expectations around performance and mistakes, while anxiety can strengthen perfectionistic behaviors such as excessive checking, overpreparing, or seeking reassurance. The two patterns can reinforce each other over time.
Why do I obsess over small mistakes?
Small mistakes may trigger rumination when you attach a larger meaning to them, such as concerns about competence, reputation, or failure. Anxiety can then keep directing your attention back to the event even after there is nothing useful left to solve.
Is perfectionism common in high achievers?
Perfectionistic traits can be common among high achievers because high standards and attention to detail are frequently rewarded in competitive environments. They become more concerning when mistakes create disproportionate distress or achievement begins interfering with relationships and well-being.
Can perfectionism be related to trauma?
Sometimes. Experiences involving criticism, unpredictable caregiving, conditional approval, or other forms of relational trauma can contribute to perfectionistic coping patterns. Perfectionism can also develop without a history of trauma.
Can therapy help with fear of failure?
Yes. Therapy can help identify what failure represents emotionally and address the anxiety, self-worth concerns, or past experiences connected to it. The goal can be maintaining meaningful ambition while becoming more resilient when outcomes don’t go as planned.
How do I know if my perfectionism is unhealthy?
Perfectionism may be worth addressing when mistakes cause prolonged distress, you avoid situations where success isn’t guaranteed, work consistently intrudes on personal life, or your self-esteem changes dramatically based on performance.
About Glass Psychotherapy
Glass Psychotherapy is a boutique psychotherapy practice serving adults throughout New York City, including professionals on Manhattan’s Upper East Side and Upper West Side. Our therapists work with high-achieving adults experiencing anxiety, perfectionism, relationship concerns, trauma, and the emotional strain that can accompany demanding careers.
Glass Psychotherapy offers individualized therapy for clients who want professional success and personal well-being to feel more compatible.
About the Author
Jamie Glass, LCSW, CSAT, CPTT, EMDR is a Licensed Clinical Social Worker at Glass Psychotherapy in New York City. Jamie works with adults navigating trauma, anxiety, relationships, perfectionism, and patterns that can develop around achievement and self-worth.
With specialized training in EMDR and trauma-focused care, Jamie helps clients understand the experiences underlying long-standing patterns and develop ways of living that leave more room for connection, flexibility, and emotional well-being.