Understanding The “Parts” of Your Thinking

Have you ever wanted to make a sensible decision while another voice inside you insisted that it was too risky? Perhaps one part of you wants closeness while another pulls away, or one part knows that a relationship is unhealthy while another cannot let go. This does not mean that you are broken. It is a common way of describing inner conflict.

“Parts work” is a therapeutic way of understanding these competing reactions. Instead of treating an inner critic, procrastinator or people-pleaser as an enemy, we become curious about what it is trying to prevent and whether its strategy is still helpful.

What are the “parts” of your thinking?

Internal Family Systems (IFS) describes the mind as containing different parts or subpersonalities. These may be experienced as thoughts, feelings, bodily sensations, images or impulses. A part may push you to achieve, avoid conflict, caretake others, withdraw, become angry or seek reassurance.

This is a therapeutic model and a useful metaphor, not proof that separate people live inside the mind. We all shift between different emotional states and priorities. Giving a recurring pattern a simple name can create enough distance to observe it rather than react automatically.

According to the IFS model, parts are not inherently bad. Even an exhausting or destructive pattern may have begun as an attempt to protect you from rejection, shame, fear or emotional pain.

Protectors, vulnerable parts and the Self

IFS commonly groups parts into three broad roles:

• Managers try to prevent pain by keeping life controlled. Perfectionism, overthinking, people-pleasing and constant planning can take this role.
• Firefighters react when distress breaks through. They seek rapid relief through anger, withdrawal, numbing, compulsive behaviour or distraction.
• Exiles are vulnerable parts associated with experiences and feelings that the protective system works hard to keep out of awareness.

The model also uses the term Self for a calm, curious, compassionate and confident capacity to relate to these experiences. In practice, Self-leadership means responding from grounded adult awareness instead of allowing the loudest protective reaction to make every decision.

How parts can create an internal conflict

Imagine that you need to set a boundary. One part understands that the boundary is necessary. Another fears anger or abandonment and urges you to keep the peace. A third becomes frustrated and wants to end the relationship immediately. Each is responding to the same event, but each predicts a different danger.

This helps explain the familiar experience of saying, “I understand it rationally, but emotionally I cannot do it.” The aim is not to force the emotional response into silence. It is to understand the fear it carries, assess the present situation realistically and make a considered adult choice.

This pattern is particularly relevant to codependent relationships. A caretaking part may believe that another person’s stability is your responsibility, while a fearful part predicts that saying no will lead to rejection. The result can be repeated self-abandonment even when you recognise the pattern.

Parts work and CBT are not opposites

Cognitive behavioural therapy (CBT) examines how thoughts, emotions and behaviour influence one another and helps people develop more useful patterns. The American Psychological Association’s description of CBT explains this relationship and its focus on current problems and symptoms.

Parts work asks a slightly different question: what protective purpose might this thought or behaviour serve? The approaches can complement one another. You might use CBT to test the accuracy of “If I disappoint someone, they will leave me”, while parts work helps you approach the frightened response behind that prediction with compassion.

A gentle exercise for meeting a protective part

Choose a manageable recurring reaction rather than your most traumatic experience. Then:

1. Pause and notice. What thought, feeling, impulse or body sensation is present?
2. Name the pattern. You might call it “the critic”, “the fixer” or “the part that avoids conflict”. Use language that feels natural rather than diagnostic.
3. Create a little distance. Try “A part of me is frightened” instead of “I am frightened and cannot cope”.
4. Become curious. Ask, “What are you worried would happen if you did not react this way?”
5. Acknowledge the intention. You can appreciate an attempt to protect you without agreeing with its current strategy.
6. Check the present. What is actually happening now? What evidence supports or challenges the predicted danger?
7. Choose one adult action. This might be delaying a reply, stating one boundary, asking for support or taking one small step towards something you have avoided.

Useful phrases include:

• “I understand that you are trying to protect me.”
• “What are you afraid would happen if you stepped back?”
• “That response helped me once, but I have more choices now.”
• “You do not have to disappear. I would like to lead this decision.”

When not to do parts work alone

Self-reflection is not a substitute for treatment. If an exercise brings up overwhelming trauma memories, dissociation, self-harm urges or a sense that you are unsafe, stop and seek appropriate professional support. If you are in immediate danger, contact your local emergency or crisis service.

It is also important not to use psychological insight to minimise a genuinely unsafe relationship. Understanding why a part fears setting a boundary does not make another person’s threatening or abusive behaviour acceptable.

Frequently asked questions

Does having “parts” mean I have multiple personalities?

No. Parts work is a way of describing normal internal differences and recurring emotional states. It is not, by itself, a diagnosis of dissociative identity disorder.

Should I try to get rid of my inner critic?

The aim is usually to reduce its extreme role, not attack or eliminate it. Curiosity can help you understand what it is protecting and develop a more balanced response.

Can parts work help with codependency?

It may help you recognise the protective fears behind caretaking, reassurance-seeking, weak boundaries or difficulty leaving. Insight becomes useful when it supports practical, safe action.

Can I practise this without a therapist?

You can explore mild everyday reactions with a journal or the exercise above. Deep trauma material is safer to approach with a suitably qualified professional.

From understanding to action

Recognising your internal system is only the beginning. Change occurs when compassionate awareness leads to a different choice. If codependent patterns repeatedly override your boundaries or keep you trapped in painful relationships, my Awareness to Action online codependency groups are designed to help bridge that gap.

About Dr Nicholas Jenner

Dr Nicholas Jenner is a therapist and coach with more than 20 years of experience. He specialises in codependency, attachment and recovery from unhealthy relationship patterns, using approaches that include Internal Family Systems-informed parts work. He provides online therapy and structured therapeutic groups focused on turning insight into practical change.