Same House,
Different Childhoods
If you grew up in a dysfunctional family, its very likely you also experienced sibling trauma.
You may look at your siblings as an adult and wonder
- How did we grow up in the same house and become so disconnected?
- Why is there so little empathy between us?
- Why does every interaction feel defensive, emotionally unsafe, or hostile?
- Why do some siblings stay close while others become estranged?
Because sibling trauma is one of the most overlooked aspects of childhood trauma.
And one of the most painful realities of a dysfunctional family is that you can grow up in the same house as your siblings and still experience completely different childhoods.
Ultimately this is the reality behind same house, yet different childhoods.
In emotionally unsafe homes, children are not usually taught emotional connection first.
They are taught to survive.
And as a result, survival changes relationships.
Emotional survival over emotional safety
In healthy families, children learn:
- emotional trust
- empathy
- repair after conflict
- vulnerability without shame
- connection without fear
But if you grew up in a dysfunctional family, emotions may not have felt safe at all.
For example you may have learned:
- to hide your feelings
- to stay hypervigilant
- to compete for approval
- to avoid vulnerability
- to protect yourself emotionally before someone else hurts you
When emotional safety does not exist in the home, siblings often stop relating to each other as allies. Due to this they begin relating as competitors or enemies – with the potential for bullying, threats, abuse or even violence. Anything that offers emotional protection and thus survival.
Therefore many adults believe they simply had “bad sibling relationships”
But often, sibling conflict is rooted in trauma, emotional neglect, and dysfunctional family systems.
Why Siblings Experience Parents Differently
One of the biggest misunderstandings in family trauma is the belief that all children experience parents in the same way.
They don’t – consequently adding to sibling trauma
Your experience may have been shaped by
-
- birth order
- gender expectations
- neurodivergence
- parental favouritism
- divorce or remarriage
- blended family dynamics
- attachment differences
- changing financial or emotional circumstances over time
You may have been criticised while your sibling was praised. Or been emotionally responsible for everyone else, while another sibling avoided responsibility altogether. Finally you may have learned to disappear emotionally because being visible felt unsafe.
Research consistently shows that unequal treatment between children damages sibling closeness and increases conflict well into adulthood.
Children notice emotional inequality far more than parents often realise.
For this reason, those differences shape identity, trust, emotional regulation, and self-worth for years.
Dysfunctional families often assign survival roles to children
If you grew up in a dysfunctional environment, you may recognise that every child in the family seemed to take on a different role.
These roles are not personality traits.
They are survival adaptations.
You may recognise yourself as
- the scapegoat
- the golden child
- the caretaker
- the invisible child
- the rebel
- the family hero
These roles create emotional distance between siblings because each child learns a different strategy for emotional survival.
One child may align with a parent for protection.
Another may become blamed for family tension.
One sibling may appear emotionally “strong.”
Another may become emotionally numb or withdrawn.
Underneath those differences are children adapting to emotional insecurity in different ways, sadly creating even more division and conflict.
When vulnerability is unsafe, emotional defence has to come before empathy
If emotions were mocked, dismissed, ignored, or punished in your home, you may not have learned emotional safety at all.
Instead you were taught
- crying is weakness
- sensitivity is embarrassing
- vulnerability is dangerous
- softness invites humiliation
So, you adapted.
You learnt to
- harden emotionally
- mock before being mocked
- shut down feelings
- ridicule vulnerability
- hide emotional needs
Which often creates sibling relationships built around:
- sarcasm
- emotional suppression
- criticism
- humiliation disguised as humour
- emotional competition
- invalidation
If empathy was never modelled in your family, it becomes very difficult for emotional closeness to grow safely between siblings.
Because empathy cannot grow where vulnerability feels dangerous.
The Hidden Role of Triangulation in Sibling Trauma
One of the most damaging patterns in dysfunctional families is triangulation.
This happens when a parent unconsciously uses one child against another to manage family tension.
You may have experienced:
- being compared to a sibling
- one child being blamed for family problems
- being rewarded for loyalty
- being forced into adult emotional conversations
- competition for approval or attention
- “good child” versus “problem child” dynamics
This creates division between siblings while protecting the dysfunctional family system itself.
Instead of recognising the dysfunction around them, understandably children turn against each other emotionally in order to survive. Creating a distraction from the real adult dysfunction. But also developing the beginning of many adult sibling estrangements.
Blended families can intensify sibling trauma
If you grew up in a blended family, step family, or alongside half-siblings, these dynamics may have felt even more complicated.
You may have experienced
- divided loyalties
- favouritism
- outsider status
- unequal treatment
- emotional exclusion
- competition for security or attention
You may have silently internalised beliefs such as
- I do not belong here
- I matter less
- They are the real family
- Love has to be earned
When unresolved parental conflict exists, or mental health or addiction issues, then sibling relationships often absorb the emotional fallout. The feelings have to go somewhere. And above all those wounds can continue long into adulthood.
The adult impact of growing up in dysfunctional family systems
Sibling trauma does not stay in childhood.
It often affects
- adult relationships
- emotional intimacy
- attachment
- trust
- parenting
- self-worth
- emotional regulation
You may struggle with
- sibling estrangement
- emotional numbness
- chronic guilt
- anxiety around family contact
- unresolved grief
- difficulty trusting closeness
You may even repeat dysfunctional patterns in your own relationships without fully understanding why.
This is another painful part of same house, different childhoods.
Healing begins when you understand the family system you grew up in
Essentially healing sibling trauma is not about blaming your family.
In fact it’s about understanding what happened to you emotionally.
When you begin recognising dysfunctional family patterns, many painful sibling dynamics start to make sense.
Healing may involve
- recognising survival roles
- understanding trauma responses
- grieving the family system you needed but did not have
- learning emotional regulation
- building healthy boundaries
- developing emotional safety
- practising empathy without self-abandonment
Sometimes sibling relationships can heal. Sometimes distance remains necessary.
But understanding the why behind sibling trauma can be deeply freeing.
Because what looked like rejection was often survival.
Support with sibling trauma or dysfunctional family relationships?
If this resonates with your experience, therapy can help you understand
- sibling trauma
- dysfunctional family dynamics
- emotional neglect
- attachment wounds
- Complex PTSD and relational trauma
- family estrangement
- anxiety, shame, or emotional numbness
In conclusion, healing starts with understanding your story, experiencing emotional safety, and learning healthier ways to relate to yourself and others. If you are ready to explore these patterns in a compassionate, trauma-informed space, get in touch today.
About the author: Chris Boobier is the owner of CRB Counselling specialising in anxiety, trauma, Bereavement & loss. Supporting adults and adolescents, she is passionate about helping people be their authentic self through counselling.