People often wonder why someone stays in a relationship that is clearly causing them harm. From the outside, it can seem straightforward. From the inside, it rarely is.
One of the reasons leaving an abusive or harmful relationship can feel so extraordinarily difficult is something known as trauma bonding. It is not a sign of weakness or poor judgement. It is a recognised psychological response to a specific pattern of harm that is worth understanding.
FearLess is a charity supporting people affected by post traumatic stress in Australia and New Zealand. This article is a general awareness resource. Please speak with a qualified professional if you are in a harmful relationship or experiencing distress.
What is trauma bonding?
Trauma bonding refers to a strong emotional attachment that develops between a person and someone who is causing them harm. It most commonly occurs in relationships characterised by cycles of abuse and affection, where periods of cruelty or control alternate with periods of warmth, remorse, or apparent closeness.
This cycle is not random. The unpredictability and intermittent reward of these patterns activates parts of the brain associated with attachment and survival in ways that can create a bond that feels very real and very hard to break.
Trauma bonding can occur in romantic relationships, parent-child relationships, and other close connections where there is a significant power imbalance.
Why does it happen?
Human beings are wired for connection. When a relationship involves both threat and comfort from the same person, the nervous system can become locked into a pattern of hypervigilance and relief that reinforces the attachment rather than breaking it.
Over time, a person may find themselves focused on the good moments, hoping for more of them, and explaining away or minimising the harm. They may feel deeply loyal to the person who is hurting them. They may feel responsible for managing that person’s emotions. They may feel that leaving is a betrayal, or that no one else would understand.
None of this happens because the person is foolish or weak. It happens because the relationship has shaped their responses in very specific ways.
How does trauma bonding connect to PTSD?
Trauma bonding does not automatically mean a person will develop PTSD, but sustained exposure to harmful relationships, particularly when they involve fear, control, and unpredictability, is one of the pathways to post traumatic stress and complex PTSD.
For more on how repeated relational trauma can affect mental health, see fearless.org.au/what-is-complex-ptsd and fearless.org.au/ptsd-domestic-violence-trauma.
Many people who have experienced trauma bonding find that even after leaving a relationship, they continue to feel drawn back to it, to miss the person, or to grieve the relationship while simultaneously feeling relieved to be out of it. These conflicting feelings are normal and are part of the healing process.
Recognising trauma bonding
The following experiences may indicate trauma bonding. They are not a diagnostic tool, and experiencing them does not mean a person is broken or beyond help.
Defending the person who is causing harm to others, or to oneself. Finding it difficult to stay away even after leaving. Feeling responsible for the other person’s wellbeing or emotional state. Minimising incidents of harm. Feeling unable to imagine life outside the relationship. Experiencing a mix of fear and intense longing at the same time.
Healing is possible
Recognising trauma bonding is the beginning of a process, not the end of one. Many people find that having a name for their experience is the first step toward understanding it.
Recovery takes time and usually benefits from support. This might begin with speaking to a GP, a trusted person, or a support line. FearLess has information on building inner safety and healing at fearless.org.au/2024/05/07/safety-for-trauma-recovery and on grounding techniques at fearless.org.au/2026/02/09/grounding-techniques-for-ptsd.
Support services:
- 1800RESPECT: 1800 737 732
- Lifeline: 13 11 14
- Beyond Blue: 1300 22 4636
- SANE Australia: sane.org
FearLess is a charity, not a medical organisation. This content is for general awareness only and does not constitute professional advice.
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