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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Should I apply for child maintenance, or a different course of action?

42 replies

Iwishihaddonethingsdifferently · 07/09/2025 16:14

NC for this.
I can’t change the past, so please don’t waste time berating me about it- I’ve done all that already.

My daughter is 15. I left her dad when she was 2 because he was emotionally abusive and I also believe he was having an affair with someone else; at the very least they were emotionally involved.

Because he was controlling and abusive, I was frightened to upset him; it took a lot of strength and courage to tell him that I was going to apply to get the child benefit and that rather than have her 3 nights over every weekend, when she started school I needed to see her for either EOW or one night every weekend, otherwise I would only see her during the working week. Before then, he’d had her Thursday to Sunday so that I could work a bit. He was very cross (“so I’m losing money and seeing her less?”) but I managed to grey rock and I told him while we were both at my parents’ house so I was safe and he couldn’t express himself as he might have done.

He’d never wanted to be the main default parent and he never has, so since she was about 4 he has had her 2 nights a week and we split the holidays on an ad hoc but roughly equal basis.

At primary school he paid for some childcare and a few bits and pieces here and there like shoes, or would go halves. He used to take us both out for coffee or occasionally meals. That felt ok and our daughter enjoyed it.

Since secondary school he has paid for less- just her bus- but I have bought her school shoes and most of her lunches and the bigger part of her trips.
I haven’t earned much in the last few years because I have been starting a business. I have been part time since my daughter was born and my pension is going to be almost non existent. My OH pays the bulk of our living expenses at the moment.
Her dad is employed full time in the public sector and has been since we split up, so is on a reasonable salary and has a good pension scheme.

He got married last year and since then our contact has dropped off a cliff, he doesn’t want to talk to me and he goes through our daughter about arrangements. Even at parents evening he wouldn’t look at me or have a proper conversation. I think his new wife (who is his AP from all those years ago) has said he’s not to. He has also told our daughter that he can’t do things or give things to her without also treating his step children exactly the same. Their father is a high earner and their mother also works full time (and certainly isn’t funding anything for my daughter).

Our daughter is bright and a university candidate. She would be the first on his side to go to uni. I have asked him to contribute into a joint savings account for us to share the cost and start saving now for those years, and he has refused saying he can’t afford it. She has had a number of opportunities through school which he has not put his hand in his pocket for at all and which I have paid for through an inheritance. Now she has another opportunity and he is saying it’s too much and he can’t afford to even contribute. This is a great chance to learn to drive, so when she is 17 we would save money on lessons for her, and she will be a safer driver. The annual cost is in the low hundreds, plus the fuel use on the practice days. I think it’s worth it.

My question is WIBU to at this stage go to the CMA so that I can save up for her university education or young adulthood? I didn’t before because I felt it would destroy our reasonable coparenting relationship, and also I am proud that I have done all this by myself; but nowadays with his withdrawal from that relationship, I don’t see it as such a big potential loss and the negatives for my daughter seem to be more around missing out on opportunities than her father not cooperating in order to punish me. I’d arrange a conversation with him first and say what I am thinking.

Advice on how to navigate this would be welcome.

OP posts:
LaurieFairyCake · 07/09/2025 17:16

Well you should have done it years ago. Of course do it.

RhaenysRocks · 07/09/2025 17:38

You do not have a good co-parenting relationship and it matters less now she's much older anyway. That is money that SHE is entitled to. It's not about what you can or can't manage without it. You could be a Millionaire and he'd still owe HER the money. Open a case today. Payments can be backdated from when you do that so the sooner the better.

Iwishihaddonethingsdifferently · 07/09/2025 18:13

Thinking about it still scares me. He’ll be so angry.

OP posts:
LaurieFairyCake · 07/09/2025 18:14

Well just block him. He goes through her anyway ?

ForZanyAquaViewer · 07/09/2025 18:21

Iwishihaddonethingsdifferently · 07/09/2025 18:13

Thinking about it still scares me. He’ll be so angry.

What are you scared of, exactly? What can he do to you?

Iwishihaddonethingsdifferently · 07/09/2025 18:53

I’ve always been a people pleaser. Having someone angry with me still usually feels quite devastating (disproportionately so- trauma response). It’s a remembered fear, I think. And guilt- but I feel guilty and resentful that he’s never paid any maintenance, and stupid that I thought his pride would make him step up. I’m angry at him too. Angry at me and those around me who never pushed me to claim it before.

I don’t know his salary. How do I even do it? And do I tell him first?

OP posts:
Silvertulips · 07/09/2025 18:58

How is people pleasing working for you?

You please him how?

You are not doing your daughter any favours here.

It isn’t a choice to pay for your own children it’s the bare minimum, the least they can expect.

Stop being ridiculous and get CSA involved.

Silvertulips · 07/09/2025 18:59

Oh and no you don’t tell him - he can get the letter -

LaurieFairyCake · 07/09/2025 19:14

You don’t say anything, and you block him so he can’t bully you. They will get his salary and deduct it, bet shes missed out on THOUSANDS she could have had to build for her future. Sad It’s his responsibility to pay for her

SapphOhNo · 07/09/2025 19:20

You've failed your DD by not claiming this sooner

You should do it ASAP.

N0Tfunny · 07/09/2025 19:25

You don’t need to tell him. You apply online .

You don’t need to know his salary. Just tell them what you know, like name, address, DOB , where he works etc. They get the information on his income from HMRC.

Do it now as it stops when she goes to university.

Iwishihaddonethingsdifferently · 08/09/2025 12:31

Is there any comeback he could make? Any way he can make life hard for me? What’s normal in other informal arrangements (ie how we have done it previously, which I know is inadequate)? In terms of paying for clothes, school trips, etc. I mean, I’m paying for most of those things now but he has paid a couple of trips. Is there some angle I haven’t thought of which he could use to punish me?

OP posts:
Iwishihaddonethingsdifferently · 08/09/2025 12:37

Or I could send this message:

”Given that since your marriage we no longer have the same relationship as coparents, I think it’s going to be fairer and easier if the financial side of X’s care is decided by the CMA, and so I have contacted them in this regard.”

He has always found a way to punish me, by ruining plans or making me pay for something instead of chipping in. He used my daughter’s wages the other day to buy takeaway for the whole step family of 5 and hasn’t repaid her- she says he will or will buy her something instead, but that’s the kind of thing he does. Even the uniform he said he was buying but actually his parents gave him the money.

But she loves him and I don’t want her being gaslit or manipulated. He is an expert manipulator.

OP posts:
Iwishihaddonethingsdifferently · 08/09/2025 12:37

Please help me.

OP posts:
TheBroonOneAndTheWhiteOne · 08/09/2025 12:42

Iwishihaddonethingsdifferently · 08/09/2025 12:37

Please help me.

Apply for the CMS online.
Block his number.

The amount will be determined by CMS and you'll receive it and save it for your daughter.

What can this man do to you? Or to her?

SwanRivers · 08/09/2025 12:53

Claim what you're entitled to, absolutely.

If you've been working part time for 15 years and your OH is paying the bulk of your living expenses, you really need to apply ASAP.

Iwishihaddonethingsdifferently · 08/09/2025 13:00

Maybe there is nothing. But you hear such horror stories of manipulative men using their kids to punish the mum. Is she old enough to be safe? Is the message I drafted reasonable?

OP posts:
Iwishihaddonethingsdifferently · 08/09/2025 13:01

Can he make it so that I have to pay him? Or that he only gets charged a minimum (he is salaried staff at a school)?

OP posts:
PinkyFlamingo · 08/09/2025 13:03

Iwishihaddonethingsdifferently · 08/09/2025 13:01

Can he make it so that I have to pay him? Or that he only gets charged a minimum (he is salaried staff at a school)?

Why would you have to pay him?

N0Tfunny · 08/09/2025 13:05

If he pays child maintenance through CMS ( or directly to you via a family based arrangement ) then he doesn’t have to pay you anything else. Unless you have a court order eg that he pays school fees.

He doesn’t have to pay for things like school trips, clubs etc. And he doesn’t have to give her a penny once she goes to uni , that’s all on you I’m afraid. Unless she can get him to agree to pay her something .

If her dad takes her wages off her then she needs to not take cash to his house. And say that she has no money on her bank card. Though if she’s anything like my teens - they refuse to listen to me and then moan to me when their dad lets them down. Like he always does.

Iwishihaddonethingsdifferently · 08/09/2025 13:15

PinkyFlamingo · 08/09/2025 13:03

Why would you have to pay him?

I don’t know. I worry that he will see this as a deliberate offensive/antagonistic action on my part and he’ll be vindictive in his actions subsequently. Which is basically why it’s gone on for so long.

OP posts:
Iwishihaddonethingsdifferently · 08/09/2025 13:15

N0Tfunny · 08/09/2025 13:05

If he pays child maintenance through CMS ( or directly to you via a family based arrangement ) then he doesn’t have to pay you anything else. Unless you have a court order eg that he pays school fees.

He doesn’t have to pay for things like school trips, clubs etc. And he doesn’t have to give her a penny once she goes to uni , that’s all on you I’m afraid. Unless she can get him to agree to pay her something .

If her dad takes her wages off her then she needs to not take cash to his house. And say that she has no money on her bank card. Though if she’s anything like my teens - they refuse to listen to me and then moan to me when their dad lets them down. Like he always does.

Thank you.

He has just repaid her money, thankfully! Just to be open and fair to him.

It’s uni I worry about. I asked if we could set up joint savings for that time and he said he couldn’t afford it, but I don’t want her chances to be affected by his lack of interest in making it happen for her if she wants to go. I don’t understand why he can’t afford it and think it’s more likely that can’t is won’t. Any money I get from doing this would go straight into the savings I have always made for her.

He has never paid me any money that I hadn’t already spent- it’s his pattern of control. He would rather buy me things or contribute if I ask, but never give me actual cash with the freedom that brings.

OP posts:
safetyfreak · 08/09/2025 13:17

I went through this situation two years,

My ex and his girlfriend kicked off big time, and there was a lot of drama for a while. They even reported me to social services with malicious reports.

However, it's the best thing I've ever done. He was never fair to me and only paid me a little amount or nothing at all for child support. I am now receiving child support, although it's his choice if he wants to pay for extra (like school uniform etc)

His actions, though, completely stopped any contact between the two of us, and we now only communicate via email, which is fine by me!

Iwishihaddonethingsdifferently · 08/09/2025 13:20

@safetyfreak thanks for sharing that. Was it difficult for you to take that step? Did you have a good relationship before?

OP posts:
HoLeeFuk · 08/09/2025 13:21

Iwishihaddonethingsdifferently · 08/09/2025 13:00

Maybe there is nothing. But you hear such horror stories of manipulative men using their kids to punish the mum. Is she old enough to be safe? Is the message I drafted reasonable?

Safe from what? You aren't making much sense.

He can bad-mouth you to your daughter. If he's really determined he can quit his job so you're entitled to a few quid a week. He could come round and shout at you if he's that kind of person... only you know.