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Stepdaughters behaviour and how to support my partner

70 replies

lonelypolarbear · 12/01/2026 19:06

Hello all
Im hoping you guys may be able to offer me some guidance on how to help my partner deal with his daughter as her behaviour is less than decent.
For clarity he and his ex wife split over 10 years ago, it wasn’t a good breakup as he cheated on her and got caught etc. Throw into the mix that she isn’t the nicest of people (I’ve known her a lot longer than he has), very money orientated, would speak to him like absolute garbage unless of course she wanted something or needed a favour and would then be nice to a period and then return back to her previous behaviour. Has even been known to threaten to tell the children the reason for their split if he didnt do as she wanted - you get the picture I’m sure. The 2 children are now 21 and 25, the eldest one barely made any time for him unless her car went wrong/she needed financial help. To the extent that when she started earning a considerable wage and he asked her to take over her car insurance payments she simply replied with “don’t ever message me again”, bearing in mind the agreement was that he would pay for the first year but he had actually paid for almost 4 years at this point.

The 21 year old made more of an effort for a few years, would come over each Friday evening, see him for an evening during the week but as the later teen years hit she was busier with friends etc and had less time for him, and by that I mean almost no time, there were always excuses or the messages/calls ignored. But again, would appear when she needed money or something expensive and then would disappear again. Both learnt behaviour from mum I believe as it’s what she would do. This would upset him massively each time as you would expect, he couldn’t understand why she didn’t want to make any effort or time for him and this went on and on and on, and I just sit by and pick him up when he crashes. He did message her and politely say how it makes him feel, and that it’s rude and asking if there was anything causing her to feel that way or behave that way that she wanted to chat about, and nothing, ignored. After months of this, Christmas arrived, he hadn’t seen her and barely heard from her so he decided to not just drop her Xmas presents off at her mums house as usual, but message (like he dos all the time) and popped a sentence on the bottom saying that her Christmas presents were at ours, it would be lovely to see her sometime when she comes to collect them. Cue her mum messaging to say that it’s blackmail making her have to come to ours to get her presents and that we should be dropping them off if she doesn’t want to. He crashed, didn’t know what to do for the best and any contact pretty much ceased as he was devastated constantly messaging and getting no replies.

Fast forward 2 years to last year and she’s reappeared, seemed like she wanted to rebuild a friendship with him, came round a few times, was messaging etc and then she had to move back home with mum due to finances/boyfriend issues and now it’s steadily getting worse again. My partner works away half the time but messages may go back and forth with her whilst away and he will message to say when he’s back, and then radio silence, or constant promises to meet up or come round and then she ignores messages or just doesn’t show. After this going on for about 6 months he messaged her basically saying “look you seem to be heading back to how it was before and barely making any effort and it’s upsetting and frankly quite rude” and her response was “ok well shall we just leave it” 😢. He said no of course not, but he’s in a no win situation, if he dares to challenge her poor and rude behaviour then she just ignores the messages or responds like she did above, but by not challenging it he’s living in a constant state of hope, trying to make plans with her or making plans with her for her to just not show up etc and then him feeling devastated each time.

I’ve tried not to get too involved, I’ll listen, console when needed etc, be friendly, welcoming and chatty when I see her (which has now been almost a year) but I’m holding my tongue so as to not cause further issues, but I’m not happy at all. Her behaviour is terrible, she makes time for the things she deems important such as socialising with friends/getting her nails done etc, but apparently won’t prioritise her dad once in a while.

Personally I have zero doubt in my mind that there’s been a certain amount of parental alienation taking place at home by her mum and I wouldn’t put it past her to have told the kids about him cheating, but she’s now 21 years old, she’s not 10/12/15 and I find it internally infuriating that she thinks that this behaviour is acceptable, kind - anything really. My partner has no clue how to navigate this as if he pulls her up on it, she backs away, offers no explanation, she just simply says “I’ve got a lot going on”. If he says nothing then she just continues with this behaviour and he’s getting let down all the time.

please offer some guidance on how I can support him, it’s horrible to watch 😢

OP posts:
NutButterOnToast · 12/01/2026 19:17

There's nothing you can do really.

This is what my stepdads children were like with him. Only in touch when they wanted something, wouldn't acknowledge my mum. They had an affair and split from their spouses.

I get why they would "side" with their mum initially but it never changed. They were in their 20s when the split happened.

Applecup · 12/01/2026 19:20

Maybe now they are adults they realise what a shit their father was for cheating on their mum.

yeesh · 12/01/2026 19:20

So are you her friend who had an affair with him? I imagine that most of the issues date back to him breaking up the family tbh 🤷‍♀️

Arlanymor · 12/01/2026 19:25

She will, of course, know by now how the marriage ended and I imagine it is colouring how she approaches the relationship. Short of going back in time - not cheating - and giving his ex the courtesy of splitting before jumping into the sack with someone else - there is not much he can do. As the old saying goes: hurt people hurt people.

StabbyCat · 12/01/2026 19:26

You’ll get the usual crowd saying it’s all his fault for leaving their mother but the fact is some people are horrible and it sounds as if their mother has dripped poison all their lives.

Not sure what to suggest but I’d certainly be advising him to ignore any future requests for money.

arethereanyleftatall · 12/01/2026 19:28

Oh my god, I couldn’t get all the way through this as my jaw was on the floor. He cheated on their mother!!! Of course they can’t stand him, and neither should they. I am absolutely blown away that you would want to be in a relationship with a cheat.

RedAndWhiteBlanket · 12/01/2026 19:33

Personally I have zero doubt in my mind that there’s been a certain amount of parental alienation

Yes. That's what he did when he had an affair with you, OP.

jeaux90 · 12/01/2026 19:37

Hmmm if he has always worked away then how did he actually parent the girls when they first split? Was he an EOW Disney dad?

AnotherVice · 12/01/2026 19:45

I agree with the other posters tbh but also, do you visit your parents for dinner every week OP, now that you’re an adult? I’m 42 and whilst I get on with my parents, my Dad is the person I call if my car breaks down/I need a lift etc….as my adult children do to me or they need to borrow money, it’s what parents are for! He’s wrong to blackmail them saying he will only help them if they provide him with undeserved adoration.

arethereanyleftatall · 12/01/2026 19:46

I’ve read it all now, and your lack of empathy towards his daughters is absolutely shocking. How on earth do you imagine young girls would feel if their mum and dad split up because their father had an affair?their father, their first male role model, chose another women over them?!?

ive picked out two blindingly selfish comments..

Has even been known to threaten to tell the children the reason for their split if he didnt do as she wanted - you get the picture I’m sure
it’s actually hilarious that you’ve somehow twisted him having an affair in to being her fault if she tells them. I’m sure she has, and that is his fault, not hers.

won’t prioritise her dad once in a while
lol again. What, like he prioritised getting his dick wet over them?!?

you reap what you sow. Of course he’s lost his relationship with his children. That is entirely up to them. He should have thought about that before having an affair.

MadamDicey · 12/01/2026 20:21

I guess they are not giving him time , attention and respect simply because he doesn't deserve it .
He cheated on their mum and left them all for another woman .
You reap what you sow

lonelypolarbear · 12/01/2026 20:27

NutButterOnToast · 12/01/2026 19:17

There's nothing you can do really.

This is what my stepdads children were like with him. Only in touch when they wanted something, wouldn't acknowledge my mum. They had an affair and split from their spouses.

I get why they would "side" with their mum initially but it never changed. They were in their 20s when the split happened.

Sadly I think you’re right. Yes he made a mistake many years ago, and he’s punished himself for making such a poor decision. But we’re all human, we all make poor choices at times 🤷🏼‍♀️

OP posts:
RedAndWhiteBlanket · 12/01/2026 20:30

lonelypolarbear · 12/01/2026 20:27

Sadly I think you’re right. Yes he made a mistake many years ago, and he’s punished himself for making such a poor decision. But we’re all human, we all make poor choices at times 🤷🏼‍♀️

So you can excuse him, but not her?

lonelypolarbear · 12/01/2026 20:31

Applecup · 12/01/2026 19:20

Maybe now they are adults they realise what a shit their father was for cheating on their mum.

Maybe so, but everyone makes poor choices at times, some worse than others. If they want nothing to do with him then fine, but someone being punished constantly for a poor decision made years ago is poor behaviour.

OP posts:
lonelypolarbear · 12/01/2026 20:32

RedAndWhiteBlanket · 12/01/2026 19:33

Personally I have zero doubt in my mind that there’s been a certain amount of parental alienation

Yes. That's what he did when he had an affair with you, OP.

That’s a wild assumption to make, we’ve only been together 5 years. So please take your nasty remarks elsewhere!

OP posts:
RedAndWhiteBlanket · 12/01/2026 20:32

lonelypolarbear · 12/01/2026 20:32

That’s a wild assumption to make, we’ve only been together 5 years. So please take your nasty remarks elsewhere!

So you think it's nasty to have an affair?

Arlanymor · 12/01/2026 20:33

RedAndWhiteBlanket · 12/01/2026 20:30

So you can excuse him, but not her?

I wondered about that as most of the first post was bashing the mother for being awful and assassinating her character.

Arlanymor · 12/01/2026 20:34

lonelypolarbear · 12/01/2026 20:31

Maybe so, but everyone makes poor choices at times, some worse than others. If they want nothing to do with him then fine, but someone being punished constantly for a poor decision made years ago is poor behaviour.

Most 'poor decisions' don't blow families apart, create instability and take away the sense of trust that children have in their parent...

arethereanyleftatall · 12/01/2026 20:36

lonelypolarbear · 12/01/2026 20:27

Sadly I think you’re right. Yes he made a mistake many years ago, and he’s punished himself for making such a poor decision. But we’re all human, we all make poor choices at times 🤷🏼‍♀️

op, the idea that an affair is a ‘poor choice’ is laughable. Decent parents with young children do not have affairs. It is an abhorrently selfish thing to do, which there is no excuse for.

lonelypolarbear · 12/01/2026 20:36

MadamDicey · 12/01/2026 20:21

I guess they are not giving him time , attention and respect simply because he doesn't deserve it .
He cheated on their mum and left them all for another woman .
You reap what you sow

I never said anything about leaving them for another woman.

OP posts:
arethereanyleftatall · 12/01/2026 20:38

lonelypolarbear · 12/01/2026 20:31

Maybe so, but everyone makes poor choices at times, some worse than others. If they want nothing to do with him then fine, but someone being punished constantly for a poor decision made years ago is poor behaviour.

I’m going to be generous here op and say that you must be so blinded with love for him, because your dismissal of all his wrongdoings is batshit.

RedAndWhiteBlanket · 12/01/2026 20:39

lonelypolarbear · 12/01/2026 20:36

I never said anything about leaving them for another woman.

he cheated on her and got caught etc.

So he didn't leave them for her, and that's somehow better?

His DD is not "punishing" him. His DD is dealing with her own life, and what he did to hers.

sprigatito · 12/01/2026 20:40

I think there may come a time when he has to accept that what he considers “one mistake” is, to his children, a cataclysmic event that blew their lives apart, devastated their mother and changed everything forever. They will probably never respect or fully trust him again, and they will probably never feel about him the way a daughter feels about a father who hasn’t done that terrible thing to them.

Some things just aren’t forgivable, some relationships aren’t recoverable.

lonelypolarbear · 12/01/2026 20:41

yeesh · 12/01/2026 19:20

So are you her friend who had an affair with him? I imagine that most of the issues date back to him breaking up the family tbh 🤷‍♀️

Absolutely not, I don’t condone cheating at all.

OP posts:
RedAndWhiteBlanket · 12/01/2026 20:42

lonelypolarbear · 12/01/2026 20:41

Absolutely not, I don’t condone cheating at all.

Well, you're with a cheater now, better keep your eyes open 👀