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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to hate being a step mum?

237 replies

PurpleSalem · 04/05/2026 11:24

There is so much context to this story but here is a very brief overview!!

I have been with my partner for over three years… he has a 6 & 8 year old I have a 5 soon to be 6 year old.

It’s never been plain sailing let me tell you that!! The ex on his side has done her very best to poison his kids against me to the point where the 8 year old didn’t see her dad for months.

Obviously she takes everything her mum says as gospel (totally understand that) but it’s just soooo hard to bite my tongue and live with it.

Feel like I’m walking on eggshells all the time.. like I’m not welcome and I’m just basically a frigging slave to the kids who don’t even like me!!!

Anyway, yesterday I bit back.. and i feel so guilty as I usually just keep it inside. After listening to her argue and be nasty to everyone all weekend I just lost it. She was telling me how I couldn’t tell her off as I’m not her mum blah blah to which I snapped ‘if I’m not your mum and you don’t want me to look after you.. cook your own food and was your damn clothes then!!!!’

The 8 year old is so clingy with her dad, talks to me like absolute shite and then goes back to her mum to say ‘oh SM has done this said this etc…’ and it all turns out to be lies!!

Her mum obviously then jumps on any form of problem pasting it all over social media/ tik tok etc slagging me off.

Sigh, sorry to rant.. just at my wits end :(

OP posts:
Unexpectedlysinglemum · 04/05/2026 13:01

Yabu for doing her cooking and laundry her dad should

Rooroobear · 04/05/2026 13:00

DominoLover51 · 04/05/2026 12:56

Cannot believe some of these replies, why does everybody think it’s ok for children to consistently behave badly and never be told. The OP could have said fat worse to her. Sure, part of the blame for the situation can certainly be attributed to her parents, but the OP sounds as if she has done her best and put up with her behaviour for a long time. Everyone has a life. The world has gone too childcentric bfat, our generation would have been told off for sure. That said, if I was the OP. I would protect myself and my DS and leave

She doesn’t have to put up with it though.

yes, the child is old enough to be told but not for her to lose it with her. This is where her dad should step up but he obviously isn’t so why doesn’t the op cut her losses and leave instead of it getting worse and her “putting up with it”

SleepingStandingUp · 04/05/2026 12:59

you have a partner problem.

he knew his kids were struggling with his new partner so he moved in with her anyway. he does minimal care - hence you doing the cooking and laundry. she speaks to you disrespectfully and he doesn't challenge it. she lies to her Mom and he doesn't challenge it.

he shouldn't have moved in so quickly with you. personally, id fix that for you

Beamur · 04/05/2026 12:59

This isn't going to work out

mumof2many1943 · 04/05/2026 12:59

I feel for those poor children I was in their position along time ago except no mother around! That woman nearly ruined my life, if you don’t like the package stay out!!

Decacaffeinatednow · 04/05/2026 12:59

If her mother is a drug addict then your dp needs to go to court and seek full time residency of his children.

Tryagain26 · 04/05/2026 12:58

It sounds terrible for you and I can understand your frustration
but it's the children I feel very sorry for in these situations they the ones suffering because of choices the people in their lives have made

LassiKopiano24 · 04/05/2026 12:58

How does your child feel about DPs kids, do they get along together?

Your SD is 8, her mum is clearly in her ear, she probably does like you deep down but feels guilty to her own mother, she’s probably angry at dad, missing dad, angry at you, anxious going home to mums because she’ll get questioned about her time with you.

It’s so hard to keep it all in, you shouldn’t of shouted at her, but it’s done now, apologise and move on.

Your DP needs to pull her on her behaviour and let her know the rules for his house and how she is expected to treat everyone in it, but I imagine he is scared to not see her again for a few months.

Talk to your DP about your issues and tell him what you expect from him and tell him you need things to change.

DominoLover51 · 04/05/2026 12:56

Cannot believe some of these replies, why does everybody think it’s ok for children to consistently behave badly and never be told. The OP could have said fat worse to her. Sure, part of the blame for the situation can certainly be attributed to her parents, but the OP sounds as if she has done her best and put up with her behaviour for a long time. Everyone has a life. The world has gone too childcentric bfat, our generation would have been told off for sure. That said, if I was the OP. I would protect myself and my DS and leave

pinkyredrose · 04/05/2026 12:56

Op why did you move in together, was it his idea or yours? Who's house do you live in?

Restlessdreams1994 · 04/05/2026 12:56

YANBU to dislike being a “stepmother”, YABVVU to take it out on a child.

The children are the victims in this situation, not you. I think you should consider living apart until the children are older and things are more settled. This can’t be good for your child either.

Iamstardust · 04/05/2026 12:56

Your life would become a lot easier if you were to unblend your families. Your partner's life would become more difficult and so he is unlikely to want to do this.

Rooroobear · 04/05/2026 12:55

I think it’s probably in everyone’s best interest if this relationship ended. It’s not the poor child’s fault and you snapped at her? Awful. I hope you feel guilty. As bad as the mum is it’s her fault not the child’s. Get out now for everyone’s sake

Squirrelchops1 · 04/05/2026 12:54

Your post is why I didn't want to meet a man with children. No way did I want that step parent position.

Lotsofsnacks · 04/05/2026 12:54

It’s not going to get better, the ex is going to carry on being vindictive and nasty you know this, sounds like she will never have a positive attitude to u. What’s your dp doing to help this situation? Has he got your back? Sounds like not, as he’s letting his kids talk to u like shit, but you are still cooking and tidying up after them for him, no? How’s does Dp and his kids treat your DC?

TeaPot496 · 04/05/2026 12:52

This is 100% your partner's fault. He needs to be living in his own place with his children.

NautilusLionfish · 04/05/2026 12:52

AnneLovesGilbert · 04/05/2026 12:21

Why isn’t her dad cooking for her or washing her clothes? That’s your issue, you’re resentful of the extra work he’s loaded on to you. It’s not for the kids to be grateful for having these basics done for them but their dad should be doing them. Presumably he did it before you came along?

because he wanted someone to care for his kids and him: cook, clean, wash for them. Sex with him asa co-benefit. Who dis these before op? his ex. that's why he hooked up when his little one was three. likely when he had more time with them. Not an 8 year old's fault. Op would best cut her losses: less stress for her and more importantly she wont have to contribute to hurting these kids. Leave that to their parents to sort or whatever

sunflowersandsunsets · 04/05/2026 12:52

DominoLover51 · 04/05/2026 12:50

Sorry, she is a selfish little cow and deserved it. She cannot go through life expecting to get away with behaving like that and for nobody to answer her back. It’s a life lesson

No, she's an eight year old child who has been forced to live with a strange adult and her kid because her dad has put his need for a shag before her.

Your language is vile.

LizzieVereker · 04/05/2026 12:51

cadburyegg · 04/05/2026 12:01

Let me guess.

Your partner “loves his kids very much” but has them EOW and can’t possibly have them any more “because of work”
He doesn’t do any actual parenting leaving you to enforce boundaries
He pays “soooo much money” to his ex

Tale as old as time.

Word.

DominoLover51 · 04/05/2026 12:50

Sorry, she is a selfish little cow and deserved it. She cannot go through life expecting to get away with behaving like that and for nobody to answer her back. It’s a life lesson

Katemax82 · 04/05/2026 12:48

It's probably best you end the relationship...26 years being a stepmum and it doesn't get better

NautilusLionfish · 04/05/2026 12:47

you have been with him for three years and have a soon to be 6 year old. so presumably you don't have kids with him? walk away. he wanted someone to look after his children with sex as a co-benefit. not an equal life partner. And all kids here are paying the price. Walk. Away.

BrownBookshelf · 04/05/2026 12:46

AnneLovesGilbert · 04/05/2026 12:21

Why isn’t her dad cooking for her or washing her clothes? That’s your issue, you’re resentful of the extra work he’s loaded on to you. It’s not for the kids to be grateful for having these basics done for them but their dad should be doing them. Presumably he did it before you came along?

Exactly. As is so often the case, you have a DP problem.

Bridesmaidorexfriend · 04/05/2026 12:45

I’ve put YBU because I just don’t understand why you’ve pursued such a miserable relationship. I never understand why people forge ahead with blended families that are making everyone miserable

Ophy83 · 04/05/2026 12:41

Your dh needs to step up and guide his children on what behaviour is acceptable in your home.

Block the mum on social media. Don't engage with her nonsense. He can communicate with her via a parenting app.

Re the laundry etc - if your dh does 50% of similar duties for your child then that's fine. If he doesn't, then let him take over doing those jobs for his own kids.

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