Why can't I leave someone I know is bad for me? The psychology of trauma bonding

People usually tell me the same thing in the first session: I know exactly what is wrong. I can see it. My friends can see it. So why do I keep going back? Underneath the question is a quieter one: what is wrong with me?

Nothing is wrong with your intelligence. The difficulty is that understanding and attachment run on different systems. You can be completely clear in your mind and completely hooked in your body at the same time.

Intermittent reinforcement: the strongest hook there is

When affection is predictable, we get used to it. When it comes and goes without warning, every return of warmth feels enormous. Behavioural research has shown for decades that unpredictable reward produces the most persistent behaviour of any pattern. A relationship that swings between closeness and coldness trains the brain to keep trying, because the next good moment might be the one.

What makes it a trauma bond

A trauma bond forms when the same person is the source of both hurt and relief. After a painful episode comes an apology, tenderness or passion, and the relief is so intense that it binds you more tightly. Over time the cycle itself becomes the attachment.

• You feel most alive, or most calm, right after reconciliation
• You minimise or excuse what happened when talking to others
• Your sense of worth rises and falls with their mood
• Leaving feels physically unbearable, not just sad

Why more insight often makes it worse

Reading another article on narcissism can help you name what happened. But if the pull is coming from conditioning and attachment, insight alone adds shame: now you know, and you still went back. Effective work targets the bond directly: riding out urges without acting, reducing exposure to the triggers that restart the cycle, and meeting the needs the relationship was feeding.

What helps loosen it

1. Treat urges as withdrawal, not as messages about what you should do.
2. Write a reality list of specific events, and read it when nostalgia arrives.
3. Decide in advance what you will do in the hours you are most likely to make contact.
4. Notice what need the contact meets: reassurance, relief, worth, and find another source for it.
5. Work with someone who understands bonds, so you are not doing this alone at 1 a.m.

Going back does not prove you are weak. It proves the bond is strong. The goal is not to stop feeling the pull but to stop obeying it.

This article is general information written by a psychotherapist and is not a diagnosis or a substitute for individual assessment. If you are in immediate danger, contact your local emergency number.