How to Stop Siblings Fighting (Without Becoming the Referee)
Every time you decide who started it, you teach both children that the way to win is to reach you first. There is a better position to take — and it is not in the middle.
Written by Sian Trombley · BEd, MACP, CCC
It starts over a chair. Not a favourite chair, not a contested chair — just the chair that one of them was sitting in eleven seconds ago. By the time you arrive, both children are shouting a version of events you cannot possibly verify, and both are watching your face to see who wins.
That last part is the whole problem. When a parent adjudicates, the argument stops being about the chair and becomes about your judgement — which is a far more valuable prize and therefore worth fighting much harder for.
What siblings are actually fighting about
- 01Access to you
Attention is the scarcest resource in most homes. Conflict reliably produces it, which makes conflict a highly effective strategy.
- 02Fairness, as they experience it
Children track fairness with forensic precision and almost no context. Equal is not the goal; understood is.
- 03Regulation, or the lack of it
The four-o'clock argument is a blood-sugar and fatigue event dressed up as a moral dispute.
- 04Rehearsal
Home is where children practise conflict with people who cannot leave. Uncomfortable, but developmentally useful when it is coached.
What to say in the first thirty seconds
“Siblings are not fighting for the chair. They are fighting for the certainty that there is enough of you to go round.”
Sian Trombley
The changes that reduce frequency
- Ten minutes of separate, undivided time with each child, most days.
- Fix the four-o'clock window: food, quiet, no shared screens for twenty minutes.
- Give each child something that is genuinely theirs and does not have to be shared.
- Praise repair louder than you correct conflict — "you sorted that yourselves" is the sentence you want them chasing.
- Never compare them out loud, including favourably.
When to seek help
Speak to your GP or a family therapist if one child is frightened of another, if aggression causes injury, if conflict is constant with no warmth between episodes, or if one child has begun avoiding being at home. Persistent sibling aggression is treatable, and early support changes the trajectory of the relationship.
Children do not need a perfect parent. They need a predictable one who returns after hard moments.
Sian Trombley, Canadian Certified Counsellor
What you can try this week
Retire "who started it?"
Replace it with "you both look upset — take five minutes apart and then we'll sort it out together." Say nothing else until the five minutes are up.
Ten minutes each, separately
Same time, most days, no siblings, no phone, their choice of activity. Conflict frequency often drops within a fortnight without a single rule changing.
Name the pattern, not the child
"This argument happens most days at four o'clock when everyone is starving." Patterns can be solved; characters cannot.
- Deciding who started it rewards whoever complains fastest.
- Most fighting is a bid for a scarce resource — usually you.
- Coach the repair, do not judge the incident.
- Separate first, discuss later; never mediate while anyone is flooded.
- Protect ten minutes of one-to-one time per child; it is the highest-yield intervention available.
Which child do I instinctively believe first, and why?
What are they actually competing for in our house?
When did I last see them enjoy each other, and what were the conditions?
Printable resources
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This article is educational and is not a substitute for individual clinical advice. Comments are closed so the Journal stays a calm place to read.
