Why “I Know What to Do” Isn’t the Same as Being Able to Do It

In The Odyssey, Odysseus knew what would happen when his ship passed the Sirens. Their song would overwhelm his judgment. Knowing the danger wouldn’t protect him once he heard it.

So, he didn’t rely on willpower. He asked his crew to tie him to the mast and refuse to release him, no matter what he said.

Odysseus understood something we still struggle with:
Knowing what to do isn’t the same as being able to do it when the moment arrives.

“I Already Know This”

Many people come to therapy with considerable insight. They know they need to set boundaries. They know avoidance makes anxiety worse. They know the relationship is unhealthy. They know they should pause before reacting. They know isolating is deepening their depression.

Sometimes they can explain the pattern perfectly. Then the situation happens again.

The conversation becomes heated. Panic rises. Shame takes over. The urge to avoid, withdraw, lash out, use a substance, or return to an old coping behavior becomes stronger than the plan they made while calm.

Afterward comes the familiar thought: I knew better. Why did I do it again?

The problem isn’t always a lack of knowledge. Often, the person can’t reliably access a different response under stress—yet.

Insight Isn’t the Finish Line

Insight matters. It helps us recognize patterns, identify triggers, and understand why we respond the way we do. But understanding a behavior doesn’t automatically change it.

You can understand why conflict activates you and still become overwhelmed during an argument. You can recognize an unhelpful thought and still feel consumed by it. You can know that avoidance reinforces anxiety and still feel unable to take the next step.

That doesn’t mean you’re unwilling, unmotivated, or not trying hard enough. It means knowing is only part of change.

The rest requires practice, repetition, support, and strategies that are available when emotions are intense, just when you’re calmly discussing them afterward.

Acceptance and Change Can Both Be True

Dialectical Behavior Therapy, or DBT, is a behavioral treatment developed to help people respond more effectively to emotions, stress, relationships, and urges.

The word dialectical refers to the idea that two things that appear opposite can both be true. One of DBT’s central dialectics is that you can accept yourself and your current reality while also working toward change.

People sometimes hear acceptance as surrender. If I accept this, doesn’t that mean I’m saying it’s okay? It doesn’t.

Acceptance means seeing what’s happening clearly, without adding denial, shame, or judgment. Change means identifying what isn’t effective and building another response. Both matter. Acceptance without change can leave us stuck. Change without acceptance can become punishment.

DBT intentionally balances behavioral change strategies with acceptance and validation. Too much emphasis on change can leave people feeling misunderstood, while acceptance alone doesn’t address behaviors that continue to cause harm.

Why DBT Uses Skills

DBT doesn’t assume people will respond differently simply because they understand what went wrong. It teaches behavioral skills and helps people practice using them in everyday situations. DBT skills training focuses on developing capabilities through instruction, homework, and real-life application—not simply talking about what someone should do differently.

These skills help people:
-Notice what’s happening before reacting automatically
-Understand and regulate emotions
-Tolerate intense moments without making them worse
-Communicate needs and navigate relationships more effectively

The goal isn’t to memorize therapy language. The goal is to make a more effective response available when it’s needed. At first, that response may feel awkward. New behaviors often do. Practice creates another option. Over time, the pause between an emotion and an action can become wider.

That pause is where choice begins.

Treatment Has to Address the Right Problem First

DBT also recognizes that not every concern can be addressed at once. Treatment uses a target hierarchy to determine what needs attention first:
1. Life-threatening behaviors
2. Behaviors that interfere with treatment
3. Behaviors that significantly interfere with quality of life
4. The development and strengthening of behavioral skills

This order matters. It’s difficult to work on communication while someone is struggling to remain safe. It’s difficult to make progress when treatment is repeatedly interrupted or avoided. It’s difficult to build stability while substance use, severe relationship conflict, or another significant concern continues to take over.

The hierarchy doesn’t mean lower-priority concerns are unimportant. It means treatment begins with what’s most likely to block progress.  People often arrive focused on the most visible behavior:
I need to stop overreacting.
I need to be more motivated.
I need to stop going back.

DBT asks another question. What’s getting in the way of change, and what needs to be addressed first?

Building the Conditions for Change

Odysseus didn’t assume that his future self would calmly make the right decision while hearing the Sirens. He created structure before the difficult moment arrived.

Behavioral health treatment often works the same way. The goal isn’t to depend on willpower during the hardest moment of the week. It’s to build the skills, structure, and support that make a different response possible.

For some people, weekly individual therapy provides the right level of care. Others may benefit from medication management or more frequent, structured treatment through an Intensive Outpatient Program.

The right level of care depends on the intensity of symptoms, their effect on daily functioning, and how much support someone needs to practice change consistently.

DBT Treatment Right in Your Own Neighborhood: Mentor, Ohio

You don’t need to understand every DBT term before reaching out. You only need to recognize that knowing what to do hasn’t been enough to change what keeps happening.

At Premier Behavioral Health Services in Mentor, Ohio, we provide individual therapy, medication management, and structured Intensive Outpatient Programs for adults and adolescents. Our clinicians use approaches including DBT, CBT, and trauma-informed treatment to help clients understand what’s getting in the way and develop practical strategies for change.

Knowing matters.

Treatment helps turn knowing into something you can use. Start today by completing this form.

Together, we’ll create a life worth living.

Premier Behavioral Health Services
Clinical insight provided by Alyson Phelan, MA, TRCC
Trauma and Grief Therapist

Sources
Behavioral Tech Institute: What Is Dialectical Behavior Therapy?
University of Washington Behavioral Research & Therapy Clinics: Dialectical Behavior Therapy
Behavioral Tech Institute: DBT Treatment Target Hierarchy

This content is provided for informational and educational purposes only and is not a substitute for professional behavioral health assessment, diagnosis, or treatment. Reading this material does not establish a therapeutic relationship with Premier Behavioral Health Services or its clinicians. If you are experiencing a behavioral health concern or believe you may need support, please call our office at 440-266-0770 or complete our online inquiry form. If you are in immediate danger or experiencing a crisis, call 911 or go to the nearest emergency room.