is It Normal to Fight With Your Siblings as an Adult?Nia's Honest Answer After a Lifetime of It
INTRODUCTION:
Let me introduce you to my siblings properly. Not the version I would tell at a dinner party. The real version.
My oldest sister is 40. Single mom. Unmarried. She is the one who makes the rules or believes she does. She will happily help a stranger but family, the people who need her most and know her best, get the version of her that controls and withholds and makes you tiptoe around her feelings like the floor is made of something that breaks easily. She has values I respect. She also has tendencies I will not keep tolerating.
My next sister is 37. Married but functionally a single parent because her husband is present in the way some men are present, which is to say not very. She is generous when she has money and reckless with it in equal measure. The recklessness usually ends with debt and the debt usually ends with me. She owes me money I stopped counting at some point because counting it was making me angrier than the amount warranted. We fight about petty things that are never really about the petty things.
Then there is my younger brother. Twenty eight years old. He lives with me in my house, the one I built, the one my blogs paid for. He drinks more than is good for him. More than is good for anyone around him. He is not doing enough with his life and he knows it and the drinking is possibly connected to the knowing. I have called the police on him. Once. When he assaulted his then girlfriend. I would do it again. That is not a complicated decision for me because you do not put your hands on a woman. Not in my house. Not anywhere. The relationship ended. My relationship with my brother survived it but it left a mark on both of us.
And then there is my mother, who sits at the center of everything the way mothers do in families like ours and not always gently. She is not a gentle human being. She loves us in the way women who were never properly loved love their children, which is complicated and real and sometimes not enough.
We fight. All of us. Constantly. About money and renovation decisions and who is going to help pay for what and whether my older sister gets to veto the family holiday my mother wants to take and why my brother is still not taking responsibility and why my sister spent the money she owed me on something I found out about on social media.
And the question I keep coming back to is the one I want to answer honestly in this post and is this one.
Is this normal? Here is one thing we fought about recently ,read the blog to get the picture.
The Honest Answer! Yes. siblings fights are More Normal Than Anyone Admits.
Adult sibling conflict is one of the most common and least talked about experiences in family life. We speak openly about difficult marriages and complicated friendships and toxic workplaces. But adult sibling conflict mainly the specific, layered, historically loaded conflict between people who grew up in the same house and came out of it carrying completely different wounds rather gets discussed in whispers if at all.
The truth is that sibling relationships in adulthood are among the most complex relationships any of us navigate. More than friendships because you did not choose them. More than marriages because you cannot leave them the same way. More than parent relationships because the power dynamic is supposed to be equal even when it never quite is.
Research consistently shows that sibling conflict does not end in childhood. It evolves. The triggers change because in childhood conflict is about toys and attention and fairness in the immediate moment. Adult sibling conflict is about money and responsibility and who is carrying what and the roles assigned in childhood that nobody agreed to and everybody keeps performing anyway.
In my family those roles are deeply entrenched.
My older sister is the authority. She decided this. Nobody voted on it.
My middle sister is the one who needs rescuing. She did not decide this but she keeps landing in it.
My brother is the one who has not launched. He knows this. He is possibly drowning in it.
And I am mostly depending on who you ask on which day either the most capable one or the most difficult one. Usually both simultaneously.
These roles are not who we actually are. They are the stories our family of origin wrote about us before we were old enough to write our own. The conflict happens in the gap between the story and the reality.
My Oldest Sister.The Controller (deputy parent)
Let me talk about her properly because she deserves more than a label.
She is 40 years old. She has raised her 2 boys alone. She has survived things I only know partially about. She has a work ethic that I genuinely respect and a capacity for generosity toward people outside the family that occasionally takes my breath away.
And she is a bully. Those two things live in the same person.
The controlling tendency ,the need to make the rules and to have the final word or to treat disagreement as disrespect all is not new. It has always been there. What changes as we get older is my willingness to work around it.
When my mother wants a holiday and we all discuss it as a family, my older sister’s opinion is one opinion. Not a veto. Not a decree. One of four adult perspectives that all deserve equal consideration. When there is something to be renovated at the family home she does not get to make that decision unilaterally simply because she was born first.
But for years the pattern was that she would express an opinion so forcefully, with such an implicit threat of conflict attached to it, that the rest of us would quietly adjust. We would tiptoe. We would find ways to get what we needed without triggering her disapproval.
I understand now where the controlling behavior comes from. Oldest children in households where things are unstable often develop control as a coping mechanism. If I manage everything tightly enough nothing bad can happen. That logic makes sense in childhood. It becomes a problem in adulthood when the people being managed are adults who did not consent to being managed.
Four years ago my second sister was diagnosed with HIV. She had nowhere to go. My mother of course not a gentle woman in the way I have told you was not the right environment for her. I took her in. I carried that. I managed her medication schedule alongside my own life, my daughter, my blog building, my healing. I carried it because she is my sister and she needed someone and I had what she needed.At that time my eldest sister did not show up to help or share the responsibility because she was focused on church commitments and that absence added another layer to what I have had to process about family responsibility support and what showing up actually means in practice.
I have forgiven her for that. Not because she fully acknowledged it. But because carrying the resentment was costing me more than releasing it.
My Middle Sister. The Reckless One
My middle sister and I fight about money. Specifically about her relationship with money which is the relationship of someone who believes abundance is temporary and must be spent before it disappears.
When she has money she spends it. Generously, joyfully and without calculation. This is actually a beautiful quality in the right circumstances. It becomes a problem when the spending creates debt and the debt creates crisis and the crisis creates a phone call to me.
She owes me money. The specific amount stopped mattering at some point. What matters is the pattern. The borrowing and the promising and the partial repayment and then the spending on something visible or something I see evidence of before I see the repayment and the fight that follows.
We fight about petty things. A comment. A tone. A perceived slight. But the petty things are never really the point. The point is the money she owes and the way it sits between us changing the texture of every interaction until it gets addressed.
She is married in the way some women are married with a husband who is technically present but not practically a partner. She is raising her children with the energy of a single parent inside the structure of a marriage. I understand that exhaustion. I live a version of it. But understanding her exhaustion does not mean absorbing the financial consequences of how she manages it.
Our relationship is genuinely warm in the spaces between the conflict. She is funny in the way that middle children often are but quick and adaptive and able to read a room. She loves her children with everything she has. She would do anything for the people she loves including me.
The money remains a wound between us one that heals and reopens then heals and reopens again depending on the season and the conversation. I have not yet found the words or the moment that closes it completely and perhaps some family hurts do not disappear so much as become easier to carry.
What I can say with certainty is that I have deep admiration for my sister. She fought HIV with a strength and grace that deserves recognition. She did not allow the diagnosis to define the rest of her life. She faced it head on returned to her job rebuilt her routines and continued raising her children with determination and love. Watching her navigate that journey reminded me of how resilient she truly is.
Whatever disagreements exist between us and whatever wounds remain I will always commend her for the courage it took to confront one of the hardest chapters of her life and come through it with such dignity.
My Brother ,the last born The One Who Has Not Arrived Yet
My brother is 28 years old and he lives in my house.
I love him. I want to say that clearly before I say anything else because everything else will be complicated and the love is not.
He is 28 years old and he is not doing enough. He knows this. I know this. The drinking or the every-opportunity drinking that fills the space where direction and purpose should be tells me he knows this more clearly than he admits or its because of the drinking hence lack of progress.
I have had more conversations with him about responsibility than I can count. About what it means to be a grown man. About what his presence in my house costs me not just financially but energetically. About the example being set. About the drinking.
Once he assaulted his then girlfriend. In my space, or connected to my life enough that it became something I had to respond to. I called the police. I want to be very clear about why it is not because I wanted to punish him. Because a woman had been hurt and I was not going to be the person who looked the other way. Not in my house. Not connected to my name. The relationship ended. My brother and I are still in relationship but it sits differently now. There is something between us that the incident created that neither of us has fully named.
The drinking is the argument we have most often. Not because I am trying to control him because I am not my older sister. But because I live with the consequences of it. The mornings after. The mood. The money spent on alcohol that could have gone toward the independence we are both waiting for him to build.
I believe he will get there. I have to believe it because the alternative is too sad. But I am also honest with myself about the fact that I cannot want his becoming more than he wants it for himself. I can hold the space. I cannot do the work for him.
Why We Siblings Really Fight .The truth underneath our sibling fueds
Our conflicts about money and holiday decisions and renovation votes and drinking are real conflicts. But they are also containers for something older and harder to name.
We grew up in the same house with a mother who is not a gentle human being. Who gave what she had from an empty cup. Who survived her own losses and carried them in ways that left marks on all of us. We each experienced that house differently. We each came out of it with different wounds and different coping mechanisms and different ideas about what family means and what we owe each other.
My older sister learned to control because control felt like safety.
My middle sister learned to spend because spending felt like abundance in a house where abundance was uncertain.
My brother learned to drink because I am guessing here, honestly, because we have not had that conversation fully because something needed numbing and alcohol was available.
And I learned to carry. To be the capable one. To build things and hold the space and show up and manage and accommodate and carry until carrying became the only thing I knew how to do.
Our conflicts are us bumping into each other’s wounds. The controlling sister bumping into my refusal to be controlled. The reckless sister bumping into my need for reciprocity. The unambitious brother bumping into my expectation that people will eventually show up for themselves.
Understanding this does not resolve the conflicts. But it changes how I hold them. I am no longer surprised when the pattern repeats. I am no longer devastated by it. I see it coming now and I meet it with something closer to clarity than anguish.
Curious about my mother ?Read the blog below.
What Healing Has Changed About How I Handle the siblings fights
Two years ago a conflict with my siblings would have undone me for days. I would have replayed conversations. I would have called people trying to explain my position. I would have cried the specific crying that comes from not being seen by the people who should know you best.
I do not do that anymore.
Not because I care less. I care the same. But because I have done enough of my own healing to understand that I cannot want resolution more than the other person does. I cannot explain my way into being understood by someone who has decided not to understand. I cannot carry the full emotional weight of every family dynamic while also building my life and raising my daughter and healing my own wounds.
Here is what the healing version of me does differently.
I say what I need to say once. Clearly. Without lengthy justification or emotional performance. I do not repeat myself hoping the repetition will eventually land.
I hold my position without apology. My older sister’s anger at my opinion does not make my opinion wrong. Her discomfort with my boundary does not make the boundary inappropriate.
I stop engaging when the conversation stops being productive. Not dramatically. Not with a speech. I simply stop.
I do the things I need to do regardless of whether I have the family’s agreement. If my mother wants a holiday and I can contribute to making it happen I do not wait for my older sister to authorize it.
I maintain the limits I have set about what I will absorb financially and emotionally. The limit is not punishment. It is sustainability. I cannot continue to be the person who carries everything if carrying everything is breaking me.
And I love them. All of them. Imperfectly, sometimes from a distance, with full awareness of who they are and what they are capable of and what they are not.
That is not a failure of love. That is love without delusion. And it is the hardest and most important thing I have learned.
For the Woman Reading This Who is navigating her own sibling fights
You are not alone in this.
The family that is simultaneously your greatest source of support and your most reliable source of pain is not a sign that something went terribly wrong. It is the nature of the closest relationships. The people who know where you are soft press there. The people who share your history share your wounds. The people you love most have the most access to the places that hurt.
You are allowed to love them and limit them simultaneously.
You are allowed to stop explaining yourself to people who have decided not to understand.
You are allowed to contribute what you genuinely can and to say clearly when you have reached the edge of that.
You are allowed to call the police when a woman is being hurt even if the person hurting her is your brother.
You are allowed to stop absorbing the financial consequences of a sister’s choices.
You are allowed to tiptoe less around an older sibling’s control.
You are allowed to love your family and refuse to be diminished by them. Those two things can and should live together.
The healing is not about cutting people off. It is about knowing what you are available for and holding that knowledge with enough steadiness that you no longer need their agreement to act on it.
That steadiness took me years to build. It is still being built.
And then I sat down and wrote this post it was after one of the fights with the sisters.
Because writing is how I make the painful useful. And because every woman who reads this and recognises her own siblings in mine deserves to know that what she is living is normal, it is survivable and she does not have to keep shrinking herself to survive it.
With love, Nia
FAQ — Is Sibling Conflict Normal in Adulthood?
Is it normal to still fight with siblings as an adult?
Completely normal and far more common than most people admit publicly. Adult sibling conflict tends to center on finances, shared family responsibilities, caregiving decisions and the childhood roles that everyone keeps performing into adulthood. The absence of sibling conflict in adulthood is actually less common than its presence. What matters is not whether conflict exists but how it is navigated.
Why does sibling conflict get worse in adulthood?
Adult life introduces higher stakes situations such as money, property, parental care, family decisions with real financial and emotional consequences. These situations force old childhood dynamics into adult contexts. The controlling oldest child, the reckless middle child, the youngest who has not launched because these patterns established in childhood collide with adult realities and the collision produces conflict.
How do you deal with a controlling older sibling?
State your position once and clearly without excessive justification. Their birth order does not give them authority over adult decisions that affect your life and resources. When they push back acknowledge their perspective briefly and hold your position. The goal is not to win the argument pehaps it is to be clear that you are an equal adult. Over time consistency matters more than any single confrontation.
How do you handle a sibling who borrows money and does not repay it?
Set a limit on what you lend going forward. The decision about what to do with existing debt is yours to make and some people find that formally agreeing to forgive it and start fresh is more useful than ongoing resentment. Others need the repayment for the relationship to feel balanced again. What matters is being honest with yourself about what the debt is doing to your relationship and making a deliberate decision about how to handle it rather than letting it fester unaddressed.
How do you deal with a sibling who has an addiction problem?
You cannot want their recovery more than they want it for themselves. You can express concern encourage them to seek help and set healthy boundaries around what you will support. Recovery is ultimately a choice they must make for themselves. While organizations such as Narcotics Anonymous , SMART Recovery Al Anon and Nar Anon can provide valuable support and community lasting change can only happen when the individual is willing to engage in the process. You can love them hope for them and believe in their potential without carrying responsibility for choices that only they can make.
How do you handle calling the police on a family member?
When a family member causes harm to another person or particularly physical harm then protecting the person being harmed is the priority. Calling the police on a sibling or family member is one of the hardest decisions a person can make and one of the most necessary ones when harm is occurring. The relationship can survive it. The relationship will be changed by it. Both of those things are true simultaneously.
Can sibling relationships improve in adulthood?
Yes. They can and sometimes they do. Improvement usually requires at least one person in the relationship to shift either in what they are willing to accept or in how they show up. Therapy, honest conversation and the individual healing work that each person does independently all contribute. But improvement cannot be forced and cannot be one-sided. You can do your part. You cannot do theirs.