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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To think Dsis is overeacting after SS hit niece?

885 replies

PapaSteel · 13/08/2026 13:22

I've been with my partner for 8 years and we have dc together, he has a son from his previous relationship. He's 15 and not his bio son but he's been in his life since he was young and he sees him as his dad

Alot happened when we got together as his ex would tell SS that DP didn't want to see him anymore now he was dating me which wasn't true at all. She was physically & verbally abusive towards him and he's been living with us since he was 13 (after he told school about howHe has a lot of trauma and anger which school are supportive about and outside of school he gets help on how to manage the anger and he is a lot better than he was but the anger is still there so we are just patient with him

We're currently on holiday with my sister and her 2 dc and have been here since Monday. There was issues almost straight away as ss got angry at the claw machine but he and dp left the arcade and went for a walk to calm down as the arcade was busy so there was no way he'd have been able to calm down whilst in the arcade. My sister described him as a tantrumming toddler who didn't get his own way and said partner wasn't doing him any favours. I ignored her

He loves drawing and usually if you ask he will show what he's drawing but earlier he was at the table drawing and my niece (10) kept asking what he was drawing. He told her but she kept saying “show me show me” despite him saying no, she pulled his sketch book away from him which caused him to shout at her and she “accidentally” spilt her water on it. He was clearly very angry/upset and walked off to go to his room and she followed him and called him a baby, asked if he was going to cry etc, and he turned round and hit her and now he's being made out to be the bad guy

During this my sister was out with her other dc, my dp was in the shower and I was telling her multiple times to leave him alone and do something else even when she was repeatedly telling him to show her his drawing and she ignored me

My sister is now back and furious, she said she doesn't want her children to share a space with a “violent man”, and has even mentioned going to the police and social services on us if we're happy to have him around our children as he's not related to us when asked where he should go she just replied care

AIBU to think she's overreacting? I know SS shouldn't have hit her and he knows this too but she hasn't apologised for her part in deliberatly winding him up and sister says she doesn't need to as she's a child and he's nearly an adult

OP posts:
Wisher88 · 14/08/2026 14:53

FairKoala · 14/08/2026 12:58

At 15 he isn’t an adult. He wouldn’t go to an adult prison. In court he is still considered a child

If anything his mental age is probably a lot less than his 15years old.

Ultimately this 10year old knows she can do and say anything to your SS as she is just copying her mothers attitude towards someone who is possibly ND and classified as Disabled.

All those who think the niece can do no wrong. Are you saying that it is ok to bully a disabled person because they are showing the signs of their disability
I actually think that is horrific

Will your sister ever teach her dd how to recognise danger. What if she carries on this sort of behaviour as she gets older and winds up an unstable person who has a weapon.

She might feel she can do and say whatever she likes because people aren’t supposed to retaliate physically but this is akin to stepping off a pavement onto a zebra crossing and not waiting for a driver to slow down or stop. The pedestrian might be in the right but what good is that if they are under the wheels of a car
Carrying on with this type of behaviour and one day someone who isn’t 15years old and the same height as her will retaliate and it will be a lot more than a slap

This isn’t about wearing a short dress and victim blaming. This is about a bully and aggressor getting a consequence when their victim was trying to get away and they continued to pursue them.

Whilst posters might not be able to tell the difference between a child and an adult, an aggressor (the one who was pursuing and being aggressive.) and the victim.
To me the SS was just defending himself using the only means of defence he had at his disposal.

From what has been written it sounds like this wasn’t a one off incident

However it sounds like it will be the last incident he will have to endure from this pair of bullies

Blimey you've gone from he might be ND to he's disabled. You're probably disabled after that reach.

Tiedtomydesk · 14/08/2026 14:56

Backontheboil · 14/08/2026 14:49

Think for a moment how a school would have responded to this.

An annoying year 7 girl winding up a boy in either year 10 or 11.

And he hits her.

Would the school be focusing on the annoying year 7 girl? Or pretty much immediately expelling the boy.

The latter

The boy would likely be suspended and a behaviour plan put in place. The girl would likely be given a detention and a close eye would be kept on her, she may also be put on a behaviour plan if this is normal for her? The school wpuld consider why boyh behaving like this? Do the families need support? Are the children safe? It wouldn't be ignored.

Wisher88 · 14/08/2026 14:57

Tiedtomydesk · 14/08/2026 14:56

The boy would likely be suspended and a behaviour plan put in place. The girl would likely be given a detention and a close eye would be kept on her, she may also be put on a behaviour plan if this is normal for her? The school wpuld consider why boyh behaving like this? Do the families need support? Are the children safe? It wouldn't be ignored.

You don't get a detention because someone else has anger management problems. Nobody's fault but his.

Naunet · 14/08/2026 14:58

I cant believe you're brushing this off. Your step son did something ILLEGAL, you should be thanking your lucky stars that your sister hasn't gone to the police. He is above the age of criminal responsibility, unlike your neice, and he commited a criminal act. Will you be defending him when he hits his girlfriend and telling her she was asking for it too?

Tiedtomydesk · 14/08/2026 14:58

Wisher88 · 14/08/2026 14:57

You don't get a detention because someone else has anger management problems. Nobody's fault but his.

You do for calling someone a cry baby, asking them if they are going to cry, ignoring the teacher asking them to stop and ruining their work.

Backontheboil · 14/08/2026 15:01

Tiedtomydesk · 14/08/2026 14:58

You do for calling someone a cry baby, asking them if they are going to cry, ignoring the teacher asking them to stop and ruining their work.

A year 7 girl. Hit by an year 10/11 boy.

I promise you, she would not get a detention

Tableforjoan · 14/08/2026 15:02

Can guarantee if this happened in school the girls parents would considering calling the police also.

Tiedtomydesk · 14/08/2026 15:02

Backontheboil · 14/08/2026 15:01

A year 7 girl. Hit by an year 10/11 boy.

I promise you, she would not get a detention

Clearly our experiences of schools are vastly different. I wouldn't,t like to be a child at all school that ignores those behaviours, would you?

Backontheboil · 14/08/2026 15:03

Tiedtomydesk · 14/08/2026 15:02

Clearly our experiences of schools are vastly different. I wouldn't,t like to be a child at all school that ignores those behaviours, would you?

Your children aren’t at secondary

Tiedtomydesk · 14/08/2026 15:05

Backontheboil · 14/08/2026 15:03

Your children aren’t at secondary

I've worked with plenty. Behaviour like this SHOULD BE viewed as a red flag by teachers.

Wisher88 · 14/08/2026 15:06

Tiedtomydesk · 14/08/2026 14:18

I've got to say I am pretty shocked by some of the attitudes on this thread, it has certainly been eye opening. Posters on this thread telling me they strictly parent their son whilst raising their daughter to never take accountability because at the end of the day, their daughter is statistically less likely to kill someone and need to put men in their place. I think this is the first time in my life I have been accused of misogyny. Anyone who knows me in real life would find that hilarious. It seems that a fair chunk of parents sadly do not have the emotional intelligence to approach conflict without viewing one person as the winner and one as the loser.

Edited

If a woman swears at a man is he allowed to punch her? And if he does punch her do you think the police will say she caused it and make her apologise too?

NotAnotherScarf · 14/08/2026 15:07

Wisher88 · 14/08/2026 14:57

You don't get a detention because someone else has anger management problems. Nobody's fault but his.

The girl was provoking an argument, as kids do...so if things ended there she would deserve a punishment

He is a nasty little git. No way should any 15 year old, male, female hit a 10 year old.

Angry or not he has no excuse to hit out...words are enough to stop a 10 year old.

Op I really can't believe you're minimalising this

Tiedtomydesk · 14/08/2026 15:07

Wisher88 · 14/08/2026 15:06

If a woman swears at a man is he allowed to punch her? And if he does punch her do you think the police will say she caused it and make her apologise too?

No. Absolutely not. But should women be allowed to verbally abuse other people?

Wisher88 · 14/08/2026 15:13

Tiedtomydesk · 14/08/2026 15:07

No. Absolutely not. But should women be allowed to verbally abuse other people?

If you don't think a woman should be punished for swearing, then you can't insist a primary school child apologise for calling a 15yo a cry baby. He was being a cry baby to be fair. Throwing tantrums over arcade games.
Yes there's reasons but that isn't the 10yos problem or responsibility to manage.
Ultimately it's OP who has failed both kids by sitting there and not doing anything.

I do wonder what he must be like at school. Surely children his own age will tease him occasionally. I can't imagine this is the first assault by him.

bitmiffed26 · 14/08/2026 15:15

Tiedtomydesk · 14/08/2026 15:07

No. Absolutely not. But should women be allowed to verbally abuse other people?

Comparing apples and oranges.

if the boy had told the 10 year old girl to ‘piss off’ or similar, this thread wouldn’t be as long as it is. I think the vast majority could could brush that off as him losing his cool.

Tiedtomydesk · 14/08/2026 15:19

Wisher88 · 14/08/2026 15:13

If you don't think a woman should be punished for swearing, then you can't insist a primary school child apologise for calling a 15yo a cry baby. He was being a cry baby to be fair. Throwing tantrums over arcade games.
Yes there's reasons but that isn't the 10yos problem or responsibility to manage.
Ultimately it's OP who has failed both kids by sitting there and not doing anything.

I do wonder what he must be like at school. Surely children his own age will tease him occasionally. I can't imagine this is the first assault by him.

Adults behave in with lots of ways that children should be picked up on. I do believe it is wrong to swear at people in an aggressive manner unprovoked, you are free to disagree with me. I think if someone regularly abuses people unprovoked and damages their property, the police and possible adult social care would become involved because it is not acceptable normal adult behaviour.

bitmiffed26 · 14/08/2026 15:21

Tiedtomydesk · 14/08/2026 15:19

Adults behave in with lots of ways that children should be picked up on. I do believe it is wrong to swear at people in an aggressive manner unprovoked, you are free to disagree with me. I think if someone regularly abuses people unprovoked and damages their property, the police and possible adult social care would become involved because it is not acceptable normal adult behaviour.

Can we also note that the ‘damaging of property’ was a water spill that happened then ‘she caused him to shout at her’ Sounds to me like he startled her, but it wouldn’t suit OPs narrative to label it as an accident

Inthefridgenow · 14/08/2026 15:24

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Inthefridgenow · 14/08/2026 15:26

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TheFairCat · 14/08/2026 15:33

Wisher88 · 14/08/2026 14:53

Blimey you've gone from he might be ND to he's disabled. You're probably disabled after that reach.

Just to be clear, are you intending to insult this poster by suggesting they might be disabled?

Tiedtomydesk · 14/08/2026 15:36

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This is getting ridiculous now.

Should a 15YO be hitting? No, it is seriously wrong and OP and the SS know that and are working to change the behaviour.

Should a 10YO girl be name calling, goading, potentially throwing water over someones belongings (pretty big coincidence IMO if it was an accident) and ignoring adults? No and the parents need to acknowledge and correct the behaviour.

If my child behaves in a way I don't like, I acknowledge the behaviour. We shouldn't need 20 pages debating if this is an acceptable way for a child about to start secondary school to behave.

Inthefridgenow · 14/08/2026 15:38

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TheFairCat · 14/08/2026 15:42

Naunet · 14/08/2026 14:58

I cant believe you're brushing this off. Your step son did something ILLEGAL, you should be thanking your lucky stars that your sister hasn't gone to the police. He is above the age of criminal responsibility, unlike your neice, and he commited a criminal act. Will you be defending him when he hits his girlfriend and telling her she was asking for it too?

The age of legal responsibility in the UK and Wales is 10.

I mean I think this whole ‘he’s a violent, abusive criminal who should be reported to the police’ stuff is disproportionate and unhelpful, but if you’re going to go there it could be argued that she committed a ‘public order’ offence.

I don’t think violence is ever OK and I don’t think she ‘deserved it’ but like another poster said, it really does feel like some people on here are being deliberately binary and obtuse.

Tiedtomydesk · 14/08/2026 15:46

I cannot reply to the previous poster as their post was deleted (not reported by me before I get accused of that). It is never ok to hit and that is recognised in law. But it depends what you mean by 'winding up'. Coercive control is recognised in UK law and what you call 'winding up' may be considered domestic abuse by courts.

PumpkinsAndCoconuts · 14/08/2026 15:47

@Inthefridgenow
intentionally provoking somebody (aka „winding them up“, especially if done to provoke a reaction) actually is taken into account in quite a few jurisdictions.

it may lead to milder sentencing (for the person who was „provoked“) and somebody who intentionally tried to to provoke a reaction may have their right to self-defence limited.

but more importantly: He isn’t her husband. She isn’t his wife. They’re not even adults. You’re comparing apples with oranges…