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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To give sister home truths

113 replies

NCNCNCNCNCNCC · 16/03/2026 13:48

I have one sibling, a sister, who is lovely and I have a good relationship with her. She's a few years younger than me and probably been mollycoddled a bit as a result (including by me). She has a heart of gold but sometimes she seems to be very focussed on herself and not so much when I want her to be around for something. If she has something going on she goes on and on and expects me to be there, as I would want to be as her sister, including a week away for her hen do even though I have young DC and always being out to celebrate her birthday and a recent award she received. When it's my birthday she posts a card to me but doesn't visit, usually has plans the weekend of my birthday (she's been away the past three years) and it has stung. I always buy a thoughtful gift and visit her to give it plus I know when her birthday is so I tend to keep that weekend free as I know she likes me to join in her celebrations whether it's with her friends or our family.

She just told me she can't attend my hen do in May as she's made other plans. She knew when it was as I told her but she's booked a holiday. I was really upset because I thought she'd see it as a priority. It's not a cost issue, and I don't think she did it on purpose, it's as if she just didn't think of it. She didn't even call to let me know, she only told me as I told her my MOH hadn't heard back from her. I told her I do so much for her and I'm always there but recently it seems it's a one way thing. She got annoyed and hung up the phone (but I think she was upset rather than being deliberately rude) and now I feel bad.

I want to say sorry for having a go but I also still feel let down and I expect if I apologise she won't think about what I've said.

To be clear I don't begrudge her making other plans. It's because it's clearly important to her that we're there when she has something going on and I always am but now it's the third time in a few months where I feel let down by something like this.

I suspect I probably am being unreasonable because I shouldn't expect her to be there if she doesn't want to be but then I should have given less to her. She's my only sister so I just don't know.

We are in our 30s before someone says we sound like kids!

OP posts:
NCNCNCNCNCNCC · 02/07/2026 21:59

PlannedMove · 12/06/2026 09:47

Could you give us some examples of her 'heart of gold'?

😂

Maybe I've always just seen her that way as I love my sister but I think she would do what she can to help me if I needed it. I can't work out if she's always been this way or got worse recently.

OP posts:
JustSawJohnny · 03/07/2026 18:10

NCNCNCNCNCNCC · 02/07/2026 21:58

Thanks for all the replies.

I've still never had an apology from DSIS about the hen do. If hasn't been mentioned, in fact. Meanwhile, whenever we speak, it's all about her and what she has going on. She's invited us to their house for a dinner party next week but is expecting my mother to cook all the food, which she isn't happy about but won't say no, and it is quite clear to me she's not sorry and actually doesn't care at all about my feelings.

I'd like to say something without us falling out but not really sure how.

Not your Mum repeating a habit of a lifetime by pandering to the tyrant while moaning about having to do it, even though she doesn't 🙄

Your family created this monster by never holding her accountable and guess what? You're all just going to carry on doing the same thing.

Hallywally · 04/07/2026 11:23

Kettless · 17/03/2026 14:00

I have several friends that had younger sisters like this.

When they had toddlers they were nowhere to be seen. No time, no interest and actually found the children an annoyance at family gatherings, even though they were only 5 years younger.

Then they have children themselves and decide they want to visit my friends, hang out at theirs and user their children as entertainers for their busy babies and toddlers.

My friends had to spell it out that they did not want drop ins, their children had neither the time nor the interest at the weekend to be used as entertainers.

It's been brutal. Particularly as my friends made it so clear to their parents that any interference would not be tolerated.

It has been a very steep learning curve for all three younger sisters.

I think it was their lack of tolerance for their children when they were young more than anything that stung, rather that offers to help out.
Definitely reaped what they sowed there.

Not all younger sisters are like this! I became an aunty at 16 when my older sister had a baby and was thrilled to bits. I adored my niece, which then became nieces. Used to regularly babysit and help out as soon as the eldest was born.

BusyMum47 · 04/07/2026 11:33

Kettless · 16/03/2026 14:00

Do not apologise.
She sounds extremely self absorbed.
Match her energy going forward and stop behaving like a doormat

⬆️👏🏻This!!! She’s a grown ass woman acting like a spoiled, self obsessed, petulant child.

Chickadee26 · 04/07/2026 11:44

She's self centered.

Chickadee26 · 04/07/2026 11:47

NCNCNCNCNCNCC · 02/07/2026 21:58

Thanks for all the replies.

I've still never had an apology from DSIS about the hen do. If hasn't been mentioned, in fact. Meanwhile, whenever we speak, it's all about her and what she has going on. She's invited us to their house for a dinner party next week but is expecting my mother to cook all the food, which she isn't happy about but won't say no, and it is quite clear to me she's not sorry and actually doesn't care at all about my feelings.

I'd like to say something without us falling out but not really sure how.

The nerve of her. Don't attend, try anything to stop your mother from making the food. She’s supposed to be a guest.

Chickadee26 · 04/07/2026 11:51

You won't fall out for not attending. You are going out with friends. Just like she is going away during her own sisters hen do.

SconehengeRevenge · 04/07/2026 11:55

When is her birthday?

Iloveacurry · 04/07/2026 12:00

God she sounds just awful. Very self absorbed. Why can’t your mum say no to cooking the dinner, or perhaps you all should just not go? When’s her birthday anyway? Remember to do exactly what she does - just said a card.

Kettless · 04/07/2026 18:38

Decline the dinner.
Stop listening to your mother who complains but who has created this monster.

I think there is nothing to be gained by saying a word.
It will only cause drama.
Your sister will act victim and your two faced mother will play both sides while totally being on your sisters side.

The clever thing to do is not say a word.
Just withdraw.
Stop listening to her.
Step back.
Match her energy and live your life.

The alternative is this negativity souring your life in the background.
You cannot change your sister, she is now formed, selfish and entitled.

You don't need to fall out, just step away and make her a peripheral part of your life.
Invest in other relationships.
It can be done very successfully.

newfriend05 · 04/07/2026 18:41

Do not apologise!! You have nothing to feel guilty for, let her reflect on what you have said

Chickadee26 · 04/07/2026 22:21

Kettless · 04/07/2026 18:38

Decline the dinner.
Stop listening to your mother who complains but who has created this monster.

I think there is nothing to be gained by saying a word.
It will only cause drama.
Your sister will act victim and your two faced mother will play both sides while totally being on your sisters side.

The clever thing to do is not say a word.
Just withdraw.
Stop listening to her.
Step back.
Match her energy and live your life.

The alternative is this negativity souring your life in the background.
You cannot change your sister, she is now formed, selfish and entitled.

You don't need to fall out, just step away and make her a peripheral part of your life.
Invest in other relationships.
It can be done very successfully.

This! And good luck.

Strangerthanfictions · 04/07/2026 22:29

NCNCNCNCNCNCC · 16/03/2026 14:11

Thanks for the replies. I really can't decide if I owe her an apology. I don't know if I went too far saying I was so annoyed. She was upset and I feel bad for upsetting her and we don't usually have that sort of relationship. On the other hand, these things have been festering and I was upset when it was my birthday a couple of months ago, and once again I had a card, no gift and she was away (not even having said sorry she'll be away) so when she told me today she wouldn't be here for my hen I was really annoyed. I don't usually say anything to her so maybe that's why I feel off. I'm upset. She seems upset. I texted her after saying I don't want her to be upset but I am disappointed she's away again when I have something going on that she should have been here for.

It is honestly shocking, who plans a holiday and misses their sisters hen do, it's so inconsiderate and dismissive and although not at all on you, I'd be embarrassed in front of my friends if ny sister did this. Is noone else in the family or friendship groups saying anything to her? Or you? I'd be stunned if one of my friends or family sisters did this. It's not on

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