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AIBU?

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Conflicted after DS hit DD and she fought back and beat him up?

642 replies

ForAmpleRobin · 13/03/2026 18:39

Bit of sibling drama today and I’m not sure if I’m handling it right.

My DD is 9 and my DS is 11. Lately there’s been a bit of tension because she’s actually stronger and faster than him at a lot of things like running and general physical things. DD and my niece have started doing cross country and the girls have been practicing whilst we’ve been out on family walks as well as racing each other. DS is quite competitive and I think it bothers him more than he lets on that DD and his cousin are faster and stronger than him.

They were messing around earlier in the garden doing races and silly “strength competitions” like who can get who on the ground first and DS got increasingly annoyed when DD and DN kept winning. It escalated into him hitting his sister and trying to subdue her but she fought back.
She ended up properly beating him up. DN quickly came and told me about it and then I had to carry him inside and DH took DN home. He is covered in cuts and his bruises are starting to show up.

Obviously I’ve told them that hitting isn’t acceptable, but if I’m being completely honest I also felt proud that she’s confident and doesn’t back down. At the same time I know DS is feeling humiliated by being beaten up by his younger sister and that DN will spread it to the rest of the family. However this would help him learn his lesson!

AIBU for feeling conflicted about this? How would you handle it with both of them? I feel like I don’t know what the best punishment would be? I was thinking of grounding them both for fighting but then DD was in self defence so is it unfair and shall I just ground DS?

OP posts:
Bbq1 · 13/03/2026 23:38

PigglyWigglyOhYeah · 13/03/2026 19:32

Did he really need carrying, or was it a ‘my poor little prince, let me carry you’ situation?

Don't think Op thinks that much of her son to treat him that way when she's sickeningly cheering on the girl for beating him up

Stompythedinosaur · 13/03/2026 23:28

Your dd is allowed to defend herself, but it sounds like this went far beyond defending herself. I'd have consequences for both, and supervise better in future as they clearly aren't responsible enough to be unsupervised.

Shessweetbutapsycho · 13/03/2026 23:24

ForAmpleRobin · 13/03/2026 18:53

No I’m not proud she beat him up but I’m proud she can defend herself. And I’m hoping he realises that she’s not an easy target and they don’t fight again.

I’m going to take their phones away for tonight and tomorrow and I’ll decide what else to do when I decide.

Why does a 9yo have a phone!?

HandfulOfMoths · 13/03/2026 23:21

I think both of them need to learn to keep their hands to themselves. Your DD hitting back is one thing, good on her for that, but beating up? That’s too far. But I don’t think your DS should lose his cinema trip. His humiliation is punishment already. Both of them need equal messaging that their behaviour is unacceptable.

SugarPuffSandwiches · 13/03/2026 23:20

mynameiscalypso · 13/03/2026 18:52

You’re proud that your DD beat up your DS so badly that he couldn’t walk?!

This
What the hell.

Ellie1015 · 13/03/2026 23:18

Siblings fight. Parents teach them not to fight. They arent pleased the smaller one won or glad about it being spread around the family and the older one being humiliated.

You tell them both no fighting. Dd went beyond self defence if she properly beat him up. Phones gone for a night or 2 seems reasonable. Cancelling his birthday is very over the top and possibly cruel.

Dd could hurt a peer or dn if she things this behaviour is ok. Ds will be stronger than her at some stage. Fighting is never ok.

IkeaJesusChrist · 13/03/2026 23:15

D3vonmaid · 13/03/2026 23:08

Why on earth do you think it is ok to say her son will punch her daughter at some point in the future? Are you a man? This is literally the root of this issue. That a male
thinks if he doesn’t get his own way he is entitled to lash out physically. Think about what you’re saying. If all women were able to physically defend themselves and all men knew there would be (embarrassing) consequences to their violence maybe we wouldn’t have so many women being abused by violent men.

I didn't say he's entitled to lash out but it sounds like he was beaten black and blue and OP needs to ensure that both children are disciplined otherwise it will spiral.

GrandmasCat · 13/03/2026 23:12

2dogsandabudgie · 13/03/2026 18:45

He must have been badly hurt for you to have had to carry him indoors. I think you need to punish them both. Your son for hitting his younger sister and your daughter for going too far in fighting back.

This.

D3vonmaid · 13/03/2026 23:08

IkeaJesusChrist · 13/03/2026 23:01

In a few years your son will give your daughter a proper punch.

He was covered in cuts, your daughter went far over the line and he will remember when he's stronger.

Why on earth do you think it is ok to say her son will punch her daughter at some point in the future? Are you a man? This is literally the root of this issue. That a male
thinks if he doesn’t get his own way he is entitled to lash out physically. Think about what you’re saying. If all women were able to physically defend themselves and all men knew there would be (embarrassing) consequences to their violence maybe we wouldn’t have so many women being abused by violent men.

beAsensible1 · 13/03/2026 23:05

Give both of them the same punishment then make them write an apology and move on.

she might have gone a bit overboard

AtIusvue · 13/03/2026 23:03

Posters not understanding what defensive means. It has to be PROPORTIONATE. Which this clearly wasn’t.

IkeaJesusChrist · 13/03/2026 23:01

In a few years your son will give your daughter a proper punch.

He was covered in cuts, your daughter went far over the line and he will remember when he's stronger.

DramaQueenlady · 13/03/2026 22:58

ForAmpleRobin · 13/03/2026 18:47

His birthday is coming up on Friday next week so I’m just thinking of cancelling the cinema we’ve booked. Too harsh? I just don’t want it happening again.

Thats to harsh. Your son learnt a valuable lesson. A quiet word to your daughter about going to far, should be enough.

Summerluvin1 · 13/03/2026 22:58

OP i wouldn't want either of your kids around mine and they too are 9 and 11. (Girl being oldest). My two bicker like mad sometimes and the worst they have done physically is to playfully trip the other one up which I think is bad enough! But thats all they have done! Yet your two are taking lumps out of each other? They'll grow to be bullies n.OP if they think the best way to handle a situation is to get physical. Please ground them both for a while, remove all technologies and work on the violence!

Bundleflower · 13/03/2026 22:54

likelysuspect · 13/03/2026 20:06

I'll remember this thread when a poster starts a thread about her son, who wrongly hits a male peer at school and then gets beaten the crap out of by that peer in 'self defense', to the degree that he has cuts and bruises on him

Well Im sure the boy just deserved it and the peer was provoked yes?

Yes. If a son of my attacked another boy and that other boy ‘won’ the fight - I certainly wouldn’t be seeing my son as the innocent party.
Obviously, I’m not including the use of a gun, knives or nunchucks. But if someone wants a fight then they can expect to walk away with a cut or a bloody bruise. Christ Alive. Actions. Have. Consequences.

Heatedrival · 13/03/2026 22:54

As someone whose kids are now adults anyone saying this is ok is completely mad. OP I’m appalled. What on earth is wrong with your children? Why are you allowing this to happen?

My god this is bizarre.

2dogsandabudgie · 13/03/2026 22:53

Ponderingwindow · 13/03/2026 22:44

I find the whole concept that people defending themselves need to temper their response offensive. I come to this conclusion as a victim of abuse and having watched someone be the victim of horrific abuse for many years. If a person manages to defend themselves, they should not be judged for how they do so.

i would not punish your daughter. I would punish your son. Linking it to a birthday is not related so is inappropriate. Just suspend privileges immediately now.

I would also end the play-fighting permanently.

Being in an abusive relationship is different.

Here we are talking about a child hitting another child who retaliates excessively and causes bruises and cuts. That's a sustained attack. I would be concerned if any child showed that much aggression. That is not normal behaviour.

likelysuspect · 13/03/2026 22:52

Ponderingwindow · 13/03/2026 22:44

I find the whole concept that people defending themselves need to temper their response offensive. I come to this conclusion as a victim of abuse and having watched someone be the victim of horrific abuse for many years. If a person manages to defend themselves, they should not be judged for how they do so.

i would not punish your daughter. I would punish your son. Linking it to a birthday is not related so is inappropriate. Just suspend privileges immediately now.

I would also end the play-fighting permanently.

He was defending himself against her. So she should be punished. She picked on him and wrestled him to the ground over and over and then he hit back in defense, then she beat him up.

She sounds highly aggressive to me.

FrippEnos · 13/03/2026 22:50

Its fairly clear from the OP that the DS will suffer abuse about this from the DN, the rest of the family and most likely her DD.
I wonder just how much he will have to suffer for fis parents (and others on here) to see that he is not the entire problem.

AsparagusSeason · 13/03/2026 22:49

I wouldn’t punish either of them. The poor kids have been raised thus far with complete disfunction. With a mother than takes pride in violent retaliation. How on earth are they going to grow into adults capable of appropriate reactions with this sort of parental attitude?

I’d suggest the whole family goes to therapy before it’s too late.

D3vonmaid · 13/03/2026 22:48

SunshineAndSandalsMakeMeHappy · 13/03/2026 18:49

I’d be more worried that he got physical because he’s a sore loser and as you say “tried to subdue her”. I’d be having firm words with him about that.

OMG this. He needs to learn very quickly that he is not entitled to win anything. She was better than him and beat him fair and square and he resorted to violence. This is BAD.
She defended herself and good for her but as pp have said, he will soon be bigger and stronger than her, and he needs to know that he can’t keep lashing out physically when he doesn’t get his own way. If every boy learned this early on, we might not have an epidemic of violence against women.

TutTutTutSigh · 13/03/2026 22:47

Agree that the physical fighting needs to stop. It's very likely your son will grow to be much bigger and stronger than your daughter and be more than capable of seriously hurting her.

Ponderingwindow · 13/03/2026 22:44

I find the whole concept that people defending themselves need to temper their response offensive. I come to this conclusion as a victim of abuse and having watched someone be the victim of horrific abuse for many years. If a person manages to defend themselves, they should not be judged for how they do so.

i would not punish your daughter. I would punish your son. Linking it to a birthday is not related so is inappropriate. Just suspend privileges immediately now.

I would also end the play-fighting permanently.

Tonkerbea · 13/03/2026 22:40

I would hate to grow up in a family where this scenario is even vaguely normalised.

You need to supervise your children better and they both need to stop being violent under the guise of 'play fighting'. FFS, hope you use this thread as a wake up call.

AtIusvue · 13/03/2026 22:36

What the hell did I just read?

A sibling beat up the other, so badly that they couldn’t walk? And the OP is proud!!!

Get a grip OP

That isn’t defensive. It isn’t proportionate. You should be alarmed that her anger took her beyond protecting herself and her cousin and that she went on the attack and had no control over herself. Image your niece wasn’t there to alert you and what she could have done.

Both need punished. Your son needs to learn that he can’t hit out when things aren’t going his way. Your daughter needs to understand that she could have caused a serious injury and she needs to contain her anger. What if she does that to her cousin or her BF. Will you be less proud then?

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