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Toxic Relationships: Why You Stay Even When It Hurts?

(Understanding the dynamics of toxic relationships beyond labels)

 Introduction

There is a lot of talk today about toxic relationships and “narcissistic partners.”
These terms are widely used — sometimes accurately, sometimes in an oversimplified way.

But beyond labels, one question often emerges in therapy:

Why is it so difficult to leave… or even to see clearly what is happening?

Some people find themselves in toxic relationships where they begin to doubt themselves, feel responsible for everything, or gradually lose their ability to set boundaries.

This is not a lack of willpower.
It often reflects deeper dynamics rooted in the nervous system and relational history.

What Is a Toxic Relationship?

A toxic relationship is not just about conflict or disagreement.

It often involves:

• a sense of confusion (“I no longer know what is true”)
• self-doubt (“maybe I’m the problem”)
• reversal of responsibility
• emotional pressure, sometimes subtle
• difficulty trusting one’s own perceptions

In these toxic relationships, one’s sense of self can gradually become destabilized.

Why Some People Stay in Toxic Relationships

Not everyone responds in the same way to these dynamics.

If, in childhood:

• anger was not welcome
• emotional needs were not recognized
• blame or guilt were used to maintain control
• love felt conditional

Then the child may have developed adaptive strategies such as:

• adjusting to others
• anticipating others’ needs
• over-responsibility
• disconnecting from their own needs

These strategies are intelligent.
They helped preserve connection.

But in adulthood, they can make some individuals more vulnerable to toxic relationships or imbalanced dynamics.

 The Effects of a Toxic Relationship on the Sense of Self

Over time, a toxic relationship can have deep effects:

• loss of self-confidence
• difficulty making decisions
• emotional confusion
• guilt
• loss of inner reference points

You may feel like you are “losing yourself.”

In some toxic relationships, people gradually lose the ability to sense what is right for them.

The Role of the Nervous System in Toxic Relationships

What happens in a toxic relationship is not only psychological.
It is also somatic.

The body may enter different states:

• activation (anxiety, hypervigilance)
• freeze (inability to act or leave)
• relational adaptation (over-adjusting to maintain connection)

These are nervous system responses.
They are not conscious choices.

This is why leaving a toxic relationship can be difficult — even when you understand the situation cognitively.

Toxic Relationships and Narcissistic Dynamics: Understanding Without Simplifying

The term “narcissistic” is often used to describe behaviors such as:

• manipulation
• control
• devaluation
• distortion of reality

These behaviors do exist, and their impact can be deeply destabilizing.

However, focusing only on the other person can sometimes obscure an essential dimension:

👉 what is happening within us, in the relationship

Understanding this is not about blaming oneself.
It is about regaining agency within toxic relationships.

How to Move Out of a Toxic Relationship (Internally and Externally)

Leaving a toxic relationship is not only a mental decision.

It is a process that involves:

• reconnecting with your inner sensations
• relearning how to recognize your boundaries
• restoring self-trust
• differentiating what belongs to you and what belongs to the other

Gradually, it becomes possible to:

• see more clearly
• feel more accurately
• make more aligned choices

Conclusion

If you recognize yourself in these patterns, it is important to understand:

👉 This is not a weakness
👉 This is not a lack of willpower
👉 It is often an adaptive response that is still active

Toxic relationships do not define who you are.
They can be understood… and transformed.

If this resonates with you, you may want to explore these dynamics in a safe and supportive space.