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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

To not “babysit” my stepchild?

669 replies

namechangedcusillbeflamed · 16/09/2025 17:54

I am recently married (since January) after being with my DH for 3 years. He has DSS5.

Custody is set at half with dad, half with mum. Mum is in and out the picture quite a lot, has MH issues, and sometimes says she cannot have DSS on her days (she’s working/needs to clear her head/needs to take her DSD somewhere… etc).

Anyway, me and DH have lived together for around 18 months. Prior to getting married, I was not expected to look after DSS at all really. I would obviously spend time with him and DH together, and would be there if DH nipped the shop etc. DH always works on Monday and Tuesday until 8pm, so he usually left DSS with his mum (DSS grandma) on those nights. Since we moved in together that has slowly stopped, and he is with us now. This means when I get in from work at 6pm, I collect DSS from grandmas, bathe him and put him to bed.

We have DSS Friday until Tuesday every week - 4 nights. At the weekend, DH sometimes picks up extra shifts meaning that I am now de facto baby sitter. I looked after his all day Saturday as DH was working.

I feel awful. I really do love DSS, but it’s such a step up doing all this, and I feel like it is taken for granted. When I said to DH that I was knackered after working 7am-6pm and then doing bed time after not having much of a weekend. He said “welcome to my world, first time you’ve done a full parenting shift”

aibu to that this plan isn’t fair on me?? Or am I being a shit stepmum 😭

OP posts:
Skibbidirizzohio · 16/09/2025 19:45

Whose idea was it to get married and move in together OP?

InterIgnis · 16/09/2025 19:48

SoOriginal · 16/09/2025 19:43

As a girlfriend I would absolutely not expect to be parenting this child. But you are now his wife, this man is your husband and this is his son. If I remarried and my husband said he didn’t want to be a part of my family and didn’t see my son as his responsibility in any way… that wouldn’t work for me. You should have been clearer when you married.

When your husband picks up these extra shifts does the money go into your joint funds? I would expect so, in which case you are benefiting. But if the funds aren’t joint and you don’t see yourself as a family unit then what was the point in getting married, your basically living separate lives!

That’s not how that works. His son wasn’t and isn’t her son.

He should have been clear he expected her to assume responsibilities for his son, but instead he led her to believe her didn’t, and is now trying to unilaterally dump his responsibility onto her. I’d be telling him to go fuck himself.

PinkSparklyPussyCat · 16/09/2025 19:49

MumOfTheMoos · 16/09/2025 18:39

I agree with this.

Your DH comes as a package and whilst, like any couple with children you need to get the balance of caring right for you (& it sounds like that needs more discussion), if you love your DSS and you don’t want him to feel a burden as he gets older (and any ambivalence you feel now WILL be picked up by him as he gets older) then you need to start thinking of him as yours as well as your DHs.

Otherwise you should have passed on the marriage and just kept your DH as a boyfriend.

But why is it down to OP to give up every weekends to care for the kid whilst his Mum apparently can't cope and Dad has suddenly taken on extra shifts? Surely his parents are the ones who need to step up and not make him feel like a burden.

museumum · 16/09/2025 19:49

I agree with those who feel you should be “a family” now and share care / make the child feel “at home” with you both. He’s had a pretty awful family life so far!!

BUT that still shouldn’t mean doing more than half the childcare when dss is with you and dh without explicit discussion and agreement. Your possession of a uterus does not make you responsible for more than your dh is responsible for - and wouldn’t even if you had birthed the child.

THisbackwithavengeance · 16/09/2025 19:51

God the comments! How on earth was it deduced that the DH is a “shit dad”?

But I do agree with those who asked why on earth you married someone with 50% custody of a young child when you don’t really want much to do with the DC and consider him a nuisance. I honestly don’t understand the animosity some women feel to their own DH’s children and it doesn’t say much about your compassion and kindness that you don’t feel able to take on a pseudo parental role to a little boy who’s clearly had a shaky start to his family life.

Do the kid and yourself a favour and leave and find someone without DCs.

3456DDF · 16/09/2025 19:51

InterIgnis · 16/09/2025 19:48

That’s not how that works. His son wasn’t and isn’t her son.

He should have been clear he expected her to assume responsibilities for his son, but instead he led her to believe her didn’t, and is now trying to unilaterally dump his responsibility onto her. I’d be telling him to go fuck himself.

Exactly. He just wanted a "nanny with a fanny", not a wife

userychangery · 16/09/2025 19:52

Uggg - I feel for you.

I'll be blunt: there is little sympathy around for stepmothers. Because, I don't know, maybe there's an assumption that you knew what you were letting yourself in for/should count yourself lucky not to be single/all women love all babies/it's too hard for the poor mens on their own when it's not in their nature to wipe noses/what else would you be doing with your little free time. Or people think of their own relationships with step-parents. Whatever it is, it's not supportive, and that goes for the male partners too.

Be clear to your current husband about what you need and want. If he continues to exploit your good nature, you have choices.

Merryoldgoat · 16/09/2025 19:52

I say this on every thread like this, and often get cried down, but what is the point if being with a partner with small children if you aren’t willing to be a parent? Especially when their other parent is unreliable in some way.

Yes, he’s the dad, yes you aren’t the mum, but the reality is you’re a family.

If you aren’t interested in parenting a step child don’t marry someone with kids.

I was a step child. It’s shit most of the time.

I would never be a step parent.

You’ve chosen it so get with the reality.

Ariana12 · 16/09/2025 19:53

I never know what the right answer is when I read such posts. And I think about the kid too. OP I think you're stuck in a world where both actual parents are proceeding on the assumption that you'll make it all work (for them) by stepping in. Your DH assumed you would parent his child and his ex sounds a teeny bit flaky. You need to have a proper convo with your DH and come out somewhere you don't get put upon but also where small DSS is looked after well.

GertrudePerkinsPaperyThing · 16/09/2025 19:53

THisbackwithavengeance · 16/09/2025 19:51

God the comments! How on earth was it deduced that the DH is a “shit dad”?

But I do agree with those who asked why on earth you married someone with 50% custody of a young child when you don’t really want much to do with the DC and consider him a nuisance. I honestly don’t understand the animosity some women feel to their own DH’s children and it doesn’t say much about your compassion and kindness that you don’t feel able to take on a pseudo parental role to a little boy who’s clearly had a shaky start to his family life.

Do the kid and yourself a favour and leave and find someone without DCs.

I don’t read the OP’s posts this way at all. She’s just complaining that her DH - DSS’s actual father - feels free to work late and take on extra shifts where he wants to, and expect that OP will look after his DS.

She shouldn’t be looking after him more than his Dad does - or more than either parent - his Dad should be looking after him for the vast majority of his agreed time, unless explicitly agreed with the OP than he will work more for the benefit of everyone.

OnlyMabelInTheBuilding · 16/09/2025 19:53

InterIgnis · 16/09/2025 19:48

That’s not how that works. His son wasn’t and isn’t her son.

He should have been clear he expected her to assume responsibilities for his son, but instead he led her to believe her didn’t, and is now trying to unilaterally dump his responsibility onto her. I’d be telling him to go fuck himself.

This. The SDC is the husband’s child. It was up to him to inform OP before they got married that he would expecting OP to give up her weekends to look after his child. And for her to decide if this was something she wanted to help with. It was not for OP to ask. The responsibility sits with the child’s parent.

No extra responsibility or change happens after a girlfriend gets married to someone with a child. The DGM isn’t expected to automatically stop caring for her DGC as her son has got married; the new wife isn’t automatically expected to step in.

OP doesn’t have to step up because her DH’s feels she needs weekends to herself. You don’t get this luxury as a parent. The ex and DH need to work out a plan which doesn’t involve OP.

TeaBiscuitsNaptime · 16/09/2025 19:53

It is a package deal but that said, I couldn't imagine many guys who married a single mom
doing most of the childrearing of her kid. It is OTT. Your husband should be doing 60% of it minimum

Nogoodusername · 16/09/2025 19:55

DH needs to stop picking up weekend shifts. It’s his time with his son.

3456DDF · 16/09/2025 19:55

THisbackwithavengeance · 16/09/2025 19:51

God the comments! How on earth was it deduced that the DH is a “shit dad”?

But I do agree with those who asked why on earth you married someone with 50% custody of a young child when you don’t really want much to do with the DC and consider him a nuisance. I honestly don’t understand the animosity some women feel to their own DH’s children and it doesn’t say much about your compassion and kindness that you don’t feel able to take on a pseudo parental role to a little boy who’s clearly had a shaky start to his family life.

Do the kid and yourself a favour and leave and find someone without DCs.

He is a shit dad BECAUSE HE ISN'T THERE!!

How is that hard to understand?

He has decided to take on extra shifts with no discussion with his wife to see if she is ok to care for his son!

OP seems to be the only adult who cares for the boy, and yet is getting pilloried on here for not being ecstatically thrilled about it and being told "why marry him"? Because that wasnt the arrangement until the ring was on her finger.

maudelovesharold · 16/09/2025 19:55

Sorry to be blunt, op, but you really should have factored this possibility in before you married a man who has 50/50 custody of his 5 yr old son. You couldn’t seriously have expected not to play a major part in caring for him, could you? Surely when you marry someone with young children, you accept that they’re going to be part of your life together, don’t you? I think anyone in your situation needs to be prepared to take on parental responsibilities if circumstances dictate. What would you do if, for some reason, the child had to come and live with you full-time for a while?

Ariana12 · 16/09/2025 19:56

InMyHealthyEra · 16/09/2025 17:56

If you didn’t want the responsibility of a parent, you shouldn’t have married a man with a child

This is a bit mean. The OP is making a perfectly reasonable point about how much the actual parents are dumping on her. Without discussion or agreement. That's not fair or reasonable for her or DSS

BoredZelda · 16/09/2025 19:57

CopperWhite · 16/09/2025 18:03

You married a man with a young child and 50/50 residency. In what world did you think that would mean you are never expected to look after the child?

You joined a ready made family and your husband and child are a package. If you weren’t prepared to care for your husbands child, you shouldn’t have got married.

In the world where she wasn’t asked to do it when they lived together for 18 months before they were married.

He’s pulled a bait and switch on her and you are blaming her for that?

IOweMySanityToBasilParsley · 16/09/2025 19:57

NightPuffins · 16/09/2025 18:13

This is it, really.

Its not “babysitting”. You are married to his father, he is your step son, he is part of your family.

Why do the child's actual parents get to opt out, but the stepmother doesn't? 🤔

GertrudePerkinsPaperyThing · 16/09/2025 19:57

Nogoodusername · 16/09/2025 19:55

DH needs to stop picking up weekend shifts. It’s his time with his son.

This is it in a nutshell, basically.

Roosch · 16/09/2025 19:58

BananaPeels · 16/09/2025 18:22

i get where you are coming from but once you are married and live together you are official the step mother and I would argue there are responsibilities that come with that as you are expected to slip into a ‘mother’ type role. It isn’t the full role, obviously, but I’d expect that you would look after them child if your husband isn’t there with all the relevant tasks associated until the father gets back. You are the de facto parent in that time.

if you weren’t up for it, I’m not sure you should have got involved with them as they come as a team.

Edited

No, she’s not the child’s mother or responsible for the child in any way.

OP can do anything she wants on her weekends.

Roosch · 16/09/2025 19:59

maudelovesharold · 16/09/2025 19:55

Sorry to be blunt, op, but you really should have factored this possibility in before you married a man who has 50/50 custody of his 5 yr old son. You couldn’t seriously have expected not to play a major part in caring for him, could you? Surely when you marry someone with young children, you accept that they’re going to be part of your life together, don’t you? I think anyone in your situation needs to be prepared to take on parental responsibilities if circumstances dictate. What would you do if, for some reason, the child had to come and live with you full-time for a while?

She is free to leave and have nothing to do with this child.

The child’s 2 parents are responsible for him.

Foodylicious · 16/09/2025 19:59

I dont know that you are entirely unreasonable, but think you have been naive not to realise that his sons primary home is with his Dad, and he stays at mums a few nights a week most weeks.

I do think DH should discuss with you re picking up extra shifts, but if he is doing this to financially support you as well as his children, I'm not sure what else he can do to bring more money in.

I think you need a proper sit down chat/family meeting on a night when dss isn't there.

I think it was naive of you to not consider yourself as part of dss family with some parental responsibility given he lives there most of the time.

Gymnopedie · 16/09/2025 19:59

DH also didn’t do extra weekend shifts until recently.

I wonder why that is?

Let me think...

Got it!

OP you need to be very busy at weekends. Whilst you knew he had a child this is NOT what you signed up for. Being part of the boy's family, yes. Being default parent while the actual parents swan off, no.

Outside9 · 16/09/2025 20:00

YABU.

Don't marry someone with kids if you have no interest in bearing childcare responsibilities tbh.

3456DDF · 16/09/2025 20:01

IOweMySanityToBasilParsley · 16/09/2025 19:57

Why do the child's actual parents get to opt out, but the stepmother doesn't? 🤔

Because us parents are allowed the choice and can abdicate our responsibilities to the other parent, step-mothers apparently have to accept the rubbish thrown at them.