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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

I can’t stand being a full time step mum to the point it is going to cause my relationship breakdown

249 replies

Overthinker92 · 24/12/2025 00:06

When I first met my partner I had one child, he had one (there is 14 months between my bio from previous relationship and sc)- and I do not expect my partner to be paternal towards my eldest, they have a dad etc. I want to start by saying I love being a mum to my bio kids , so why am I struggling so much being a step mum ? there is no jealousy of my SC mum etc as they was never in a relationship. Background - my partner was a 50/50 dad when we met, we lived separately had our own space and then I found out I was expecting (unplanned) so we decided to move in together.
but then when I was around 8 weeks pregnant he got a phone call from SS asking if SC was with him and he was told do not return SC back to mum whilst they was investigating long story short until he got a court order in place to say SC lived with him etc they was on a CPP and they was not allowed to see mum unsupervised.
This was 2 and half years ago, there has been no contact at all now with mum for 18 months.
There is likely some trauma still there, as they display behaviours that are unusual some have now grown out of but some still there, but they was taken from their mum at 3 years old someone who they had lived with , missed , didn’t understand why they couldn’t sleep at mums etc so trauma is understandable. I have sorrow and empathy for my SC , but I just feel depressed, anger and resentment. Everything for them falls on me, dad works hours that don’t fit around having a child full time, he did say when I first brought it up that I was struggling that he would get a new job etc but then financially it would effect him, me and the kids especially in today’s life. SC even tried to start calling me mum and kept saying things like I called you mum then etc and it just didn’t feel right to me, it made me uncomfortable so I said to them i don’t think it’s fair on your mum to call me mum, as you still have a mummy and you will get to see her again one day etc. me and my partner, we do nothing but bicker, usually about his child/my child wars (joys of blended families) but I feel miserable all the time, I just want it to be me and my two children and if I had the money to do it, i honestly feel like I would just up and go. It’s not the child’s fault, but I just don’t know how to approach ending the relationship, like I can’t say it’s because I don’t want to be a step mum, but I honestly feel like the majority of my unhappiness is all down to this and they both deserve someone who can be that person for his child and that is not me. I don’t feel any maternal bond for them, I don’t feel any affection towards them, their behaviour irritates me, I just hate everything about it. Any advice on how to approach this? Thank you if you read all this. I needed to get it all out.

OP posts:
Dilemma4ever · 24/12/2025 00:15

Are you married to your partner? Are you financially dependent on him? If it’s a no to both, let him know you want to split but want to manage it sensitively for the sake of the stepchild / partner to find adequate childcare for his child

Shiresunshine · 24/12/2025 00:18

Have you tried therapy?

Are you okay with the fact that your partner (presumably) is also not around your joint child much either?

Shiresunshine · 24/12/2025 00:19

More importantly is your stepchild receiving help for the trauma they’ve had?

Mumlaplomb · 24/12/2025 00:22

It sounds like you have been left to care for three children and you didn’t sign up for that. I think that’s where the resentment has come from. He needs to change jobs so he can take over half the load.

AnneLovesGilbert · 24/12/2025 00:25

Split up. Your kids deserve the best of you not a burnt out resentful mum. He should have got a new job as soon as he got his child full time, they need him there as much as possible, not to be landed on another adult who’s not their parent. None of that’s your fault but you’re the only one who can change things. Given the massive trauma and upheaval this very young child has already experienced it’s no good for them to be cared by you when you resent it. It’ll be a further short term loss to lose you but better than the longterm harm of trying to maintain things as they are.

happysinglemama · 24/12/2025 00:28

Do it for the child if you feel like this be honest and walk away. The child sounds like they yearn for motherly love from you so it's either they receive it or not -so you get out of the picture. Am writing this from experience as my step mum hated me. What you've written on here is what I overheard her telling her friends on the phone. Luckily I was old enough leave home and eventually I left.

Smiless · 24/12/2025 00:28

OP I feel really sorry for you all as it seems no one is really very happy.

If you say you just want it to be you and your own two children, that makes me think the problem isn't really SC. The problem is you want to leave. You're putting the blame on SC as she is around more and her dad is working. But in reality if you wanted him you'd probably not have such an issue with SC. They're a package deal.

If the shoe was on the other foot and he was saying he's irritated by your first child and can't stand them and doesn't want to be around them you'd be so hurt. But you'd also know that he wasn't the person for you if he didn't like and care for your kids.

You should probably leave this man and his daughter alone. Please be kind enough not to blame the SC as it really doesn't seem to me from reading this post that she is the true issue.

You gave it your best shot moving in together when you became pregnant and you've looked after his child up to now but perhaps none of it was ever really part of the plan.

Dweetfidilove · 24/12/2025 00:33

Split.
Get support to come to terms with this reality.
Support your partner in finding a job that allows him to more available.
Your SC deserves to be loved and accepted fully in his home, so I hope you all come to an arrangement that best supports that.

Ella31 · 24/12/2025 00:35

Very difficult situation but your shared child and his child are half siblings, would you facilitate a relationship there. It would be sad for them to miss out. Your partner needs to meet you half way though. You sound burnt out

batsh1ttery · 24/12/2025 00:39

I get where PPs are coming from but if OP left and took her kids then that’s leaving the SC with a dad who might not be able to take care of the child. OP would be able to manage on her own with her child she has by the Dad plus her other child and obviously be aware that he’ll continue to be useless. I get absolutely that it’s not OP’s responsibility. Maybe before leaving she could put in a call to SS about the situation and that she’s leaving with her kids so at least someone is signposted about what’s going to happen who can intervene to help the kid. How old is this child you’re talking about OP? I have to say that the kid trying to call you Mum and you rejecting that would have bloody hurt the child no matter your correct response of already having a mum. A shitty dad, a vanished mum. This poor kid. Not your responsibility but please get this kid the help they need somehow.

DelphiniumBlue · 24/12/2025 00:40

Do you think more support would help. or are you past that step now?
You are dealing with 3 DC, one of them with trauma, more or less by yourself, no wonder you are not happy.
So your options are to buy in help , or for DH to step up, or for you to leave with your own DC.
You don't say if you are working or not, but if not, maybe you would be better going back to work and putting the DC in childcare, or have DH step back from his current role and take over the childcare while you work full time.
It sounds as if the SC needs more input from Dad, and if you are thinking of separating, it makes sense to start offloading more of the childcare onto him.
It's not really an option for him to leave it all to you, even if him changing jobs would result in less money for the family.

ChristmasHug · 24/12/2025 00:48

Agree with others that this really sounds as though you are resentful of the situation and the absent father than the child.

You can just leave. You may have to manage on a lot less or put DC into more childcare than you'd like in order to be able to work but you can do it. If so do it slowly for the sake of sc, give your dp a chance to get things in place do he can care for her.

Or you can stay but get the changes you need made. Number 1 is dp needs to be present for his dd. Number 2 is therapy for you and sc if she's not receiving it.

Hallywally · 24/12/2025 00:48

I think he needs to work less and you work more so he can step up more and share care of all the children. Counselling/therapy for all of you. Both alone and together. That poor child.

Theslummymummy · 24/12/2025 00:51

What behaviour in particular are you not happy with?

crumpetswithcheeze · 24/12/2025 01:12

Despite what many others will say, you are not wrong for feeling like this. A maternal bond is between you and your biological children. There’s nothing wrong in not having feelings for someone else’s kids. What you do now is up to you, but don’t feel guilt, or pressured to feel a certain way.

Dweetfidilove · 24/12/2025 01:17

batsh1ttery · 24/12/2025 00:39

I get where PPs are coming from but if OP left and took her kids then that’s leaving the SC with a dad who might not be able to take care of the child. OP would be able to manage on her own with her child she has by the Dad plus her other child and obviously be aware that he’ll continue to be useless. I get absolutely that it’s not OP’s responsibility. Maybe before leaving she could put in a call to SS about the situation and that she’s leaving with her kids so at least someone is signposted about what’s going to happen who can intervene to help the kid. How old is this child you’re talking about OP? I have to say that the kid trying to call you Mum and you rejecting that would have bloody hurt the child no matter your correct response of already having a mum. A shitty dad, a vanished mum. This poor kid. Not your responsibility but please get this kid the help they need somehow.

Many men have a way of morphing into vert competent, fantastic parents when they're not being facilitated by a woman.
While the OP is busy holding everything together, he has no real need to step up.

OriginalUsername2 · 24/12/2025 01:47

I don’t think you can make anything up that would explain wanting to split because it will all come out when you say his child won’t be coming home with yours, his siblings, in a shared custody situation.

But being honest is going to be incredibly hurtful for the child and his dad. Maybe your own children too.

It sounds like a really tough situation.

I think to start with you need to find work and DP need to work less.

Things might improve, they might not, but whatever happens you need to have your own money and time away from the home so you feel less trapped. The child needs his dad to parent him and to be around a lot more to build a really strong relationship.

theunbreakablecleopatrajones · 24/12/2025 01:53

Well it can't go on like this, he needs to change jobs (which he'll have to anyway if you split up) or you just split up.

It sounds like separation will be a financial struggle so maybe try therapy and a different job for him first.

I do find it hard to understand you knocking back a 5 year old who wanted to call you mom, given you are their stepmom - I get you don't feel it, but that's pretty huge for them, and it wouldn't have killed you. So there is certainly stuff to work on here - call it if it doesn't improve.

Eenameenadeeka · 24/12/2025 02:00

I guess your choices are,

-let him know that he needs to change his job so that he can do more of the childcare - that probably means you need to work more so you have enough family income.

-leave, which means that you don't have any responsibility for your step child, but you will need to work more to provide for your own children, and you will have less time with your shared child, who will still go and spend time with Dad (and they will probably end up with a step mum as well, who might feel similar about your child as you feel about your sc)

Ionlymakejokestodistractmyself · 24/12/2025 04:36

This guy needs to sort his contraception out.

Two unplanned pregnancies by two different women.

Anyway that said, you lived without him before and managed, can't you go back to that?

OvernightBloats · 24/12/2025 05:14

If you are feeling this strongly, I feel really sorry for the step-children in this situation. Remember they have no choice in this, whereas you CHOSE to be a step-mother.

There is a high possibility that the step-children will sense your resentment, so for their sakes, consider your next step with their wellbeing in mind.

You are being honest here that you hate being a step-mother. Now consider whether you can properly love and care for them exactly like you would your own children. If you can't, walk away.

Hedgehogbrown · 24/12/2025 05:25

Why can't they see their Mother? What did she do? Split up. But then you will only see your joint child 50/50.

Alpacajigsaw · 24/12/2025 05:35

YANBU

your partner is taking the piss expecting you to be an unpaid nanny to his kid. It’s a shame for the kid but also his problem not yours.

Solit up and maybe stay single for a long time and focus on your kids instead of meeting someone else with baggage/getting pregnant by him.

PivotPivotmakingmargaritas · 24/12/2025 05:45

Your partner needs to find a new job that allows him to be more present. You say he can’t because of finances but if you split up he would have to change jobs to care for your step-child. So trial a new job first before splitting.

swingingbytheseat · 24/12/2025 06:09

Your partner needs to alter his job. Ridiculous behaviour no wonder you’re burnt out

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