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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Am i being petty about a car seat

17 replies

ipickedupapen · 31/07/2025 07:53

My SD had a boy about 3 years ago, we were going to have him regularly so i bought a decent car seat - which she started borrowing after she got a car and i never got it back, don't even think she still has it. Roll on 3 years, another baby boy for which she has a new car seat, but now wants to borrow the seat I bought for the older one for in my car. AIBU to be pissed off DH said sure and just had a go at me for saying make sure I get it back.

OP posts:
ThejoyofNC · 31/07/2025 07:54

This makes no sense. She never gave you it back but now she wants to borrow it?

ThreePointOneFourOneFiveNine · 31/07/2025 07:57

Well technically you’re not being unreasonable, but if you’re more comfortable financially I’d be inclined to just let it slide to be honest. If you have a good enough relationship for it to be worth you buying a car seat then I’d prioritise that. If you’re in a position to be generous you could offer to buy her a new car seat as a gift. While she shouldn’t just take it, I have a feeling demanding it back could spark a falling out you would later regret.

REDB99 · 31/07/2025 08:00

I don’t understand, she wants to borrow a car seat that she didn’t return? All you have to say is ‘we don’t have it as you didn’t return it’.

Ellie1015 · 31/07/2025 08:02

If my sd was struggling for a car seat I would buy her one. If not affordable for me to buy another I would move the one I bought between the two cars.

If she has plenty of money then I would ask for it back when kids next at my house and be a bit annoyed but wouldnt be worth saying anything.

Topseyt123 · 31/07/2025 08:04

But she didn't return it. So just tell her that. She still has it somewhere, or she has got rid of it by other means.

Gymrabbit · 31/07/2025 08:05

I think people are confused. The OP bought a car seat to take her SD’s kid out. The SD didn’t return it. the OP has bought ANOTHER seat. The SD wants to take the new one having never returned the previous one.

Tell her to bugger off OP. Your husband sounds like a wet wipe.

RitaFires · 31/07/2025 08:06

This might be a misunderstanding. You bought a car seat for your car for her little boy to use, she might have just interpreted as a car seat bought for her little boy and not understood the distinction that it was to stay in your car.

Obviously if she never gave it back she can't borrow it again but nobody is necessarily being unreasonable just mismatched expectations.

Topseyt123 · 31/07/2025 08:08

Gymrabbit · 31/07/2025 08:05

I think people are confused. The OP bought a car seat to take her SD’s kid out. The SD didn’t return it. the OP has bought ANOTHER seat. The SD wants to take the new one having never returned the previous one.

Tell her to bugger off OP. Your husband sounds like a wet wipe.

I can't see where she says she bought another car seat. She just talks about the one.

AnSolas · 31/07/2025 08:09

SD and partner are shit parents and breaking the law if they do not have a car seat.

Are they poor and unable to save the money for a seat or is there something else going on?

If you/DH have the children in your car on a regular basis I would get DH to gift SD a new seat. She has an cf expectation that your property is hers to expect it when the seat is basic child care equipment.

ipickedupapen · 31/07/2025 08:12

ThejoyofNC · 31/07/2025 07:54

This makes no sense. She never gave you it back but now she wants to borrow it?

I bought another one, next stage up

OP posts:
ipickedupapen · 31/07/2025 08:15

REDB99 · 31/07/2025 08:00

I don’t understand, she wants to borrow a car seat that she didn’t return? All you have to say is ‘we don’t have it as you didn’t return it’.

I bought the next stage up to replace it

OP posts:
Upsetbetty · 31/07/2025 08:18

how often do you have the dc? What does she expect you to use then?

BogRollBOGOF · 31/07/2025 08:20

It's never worth "lending" to the unreliable.

Lafufufu · 31/07/2025 08:30

No - And you need to take the pettiness further.

You presumably need it because you provide childcare / take the kids out.

I'd just give the seats to her.

And every. single. time she will need to manually move and refit the car seats. You don't even touch them because "you aren't sure exactly how to do it and you couldn't live with yourself if it was fitted incorrectly"
Weaponised incompetence has its place.

As an FYI you shouldn't have to buy any carseats. I bought both the ones in my mothers car for her because she's kind enough to occasionally pick up my kids.

ilovepixie · 31/07/2025 11:08

How can she borrow it if she never gave it back! 🤨🤨

ipickedupapen · 31/07/2025 11:36

ilovepixie · 31/07/2025 11:08

How can she borrow it if she never gave it back! 🤨🤨

I bought another, next stage up

OP posts:
Shesellsseashellsnotinmystreet · 31/07/2025 11:43

Lend her it. If she wants you to have the ds she needs to bring the seat with her and fit it into your car. Likely dh will do this for her..
Because you know despite having 2 dc she is still a dc /young /upset over the divorce/came from a broken home/needs her arse wiping... ..

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