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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU to keep my sister’s former dog after she moved back?

989 replies

WatchTheStormTouchDown · 04/09/2026 08:58

I’ve name changed as this is a very outing situation. I wasn’t sure whether to post in the dog house but opted for here.

My sister moved abroad 7 months ago due to her husband’s work. They were originally moving for 3 years but my sister didn’t settle there so they’ve split up and my sister has come back with her children.

When they were planning to leave, they asked if we would look after their dog temporarily for the 3 years and they would have him back when they returned. We thought it over and said we would only take the dog if it was permanent. We knew our children would get attached to the dog and didn’t want them being upset when the dog had to be returned. They looked at other options but eventually agreed, reluctantly. Microchip/ownership was changed over to us and we pay all costs.

My sister is now back much sooner than planned with her kids and they’ve asked for the dog back. He is our dog now and completely settled in with us. We would all be heartbroken to not have him.

My whole family is piling on guilt and pressure for us to give the dog back. They’re using the kids to emotionally manipulate and saying my sister has enough on her plate with the split and having her dog back would help the children settle back home. They’re also saying that as the dog has only been with us for 7 months, we should give him back as it’s not long enough for him to have settled. My niece and nephew are upset but that isn’t surprising with moving countries, being without their dad and now moving back all within a few months.

We don’t intend to give him back. He isn’t a toy to be passed around when people change their minds and plans change and he has a great life with us. If we don’t give him back, I think it will cause a permanent rift in our family. Are we being unreasonable to keep the dog because we can’t give him up? I don’t believe it’s in his best interests anyway.

OP posts:
ThreadGuardDog · Yesterday 19:05

Dersie · Yesterday 14:57

Im confused, where did OP state that her DS was having some sort of mental health crisis? Yes she is going through the mill? Not everyone has a mental breakdown because they are going through a stressful situation.

Agree. OP didn’t mention anything about her DS. And there’s no evidence to say her sister is going through any mental health crisis, beyond the expected reaction to the end of her marriage - which now seems questionable given OP’s last update. Lots of armchair psychology going on from some posters who seem to think it’s OP’s job to support her sister to the detriment of her own family. Newsflash, it’s not. There comes a point where there is a crossover between support and enablement of bad behaviour, and OP has recognised it.

AcquadiP · Yesterday 19:06

WatchTheStormTouchDown · Yesterday 18:41

She’s now said that as we are ‘now’ keeping the dog, we need to pay what they paid for him when they bought him as a puppy. We were always keeping the dog from when she agreed to sign ownership to us.

We have also heard and seen evidence in text messages that my sister never intended to stay in the UK but wanted to convince her husband she was to get her own way about a bigger property abroad. That fits with what we heard her talking to her husband about when she was here and when he called us to say he was concerned about her, he checked that she had asked for the dog back and kept asking if we thought she was serious. Asking for the dog back was part of convincing him she was serious about staying here to force him into getting a bigger property over there. She has got her way about the property so is going back. We are all disgusted that she would use her children and our dog like that, distressing us and our children in her games. We won’t be having any more contact with her.

She's bonkers! No 4 year old dog is going to have the same financial value now as it did when it was a puppy.

And I hate to say this, but had you handed the dog back he could have been sold by now to the highest bidder.

I hope to God she never gets another dog.

BMW58 · Yesterday 19:06

Wow OP your sister is a real piece of work!
I hope you've told her to FO in response to her request for reimbursement of the dogs original cost!

What an absolute self absorbed bastard.

ThreadGuardDog · Yesterday 19:07

AcquadiP · Yesterday 19:06

She's bonkers! No 4 year old dog is going to have the same financial value now as it did when it was a puppy.

And I hate to say this, but had you handed the dog back he could have been sold by now to the highest bidder.

I hope to God she never gets another dog.

And if she continues with these demands there’s a very easy answer. All OP needs to do is deduct the money she’s spent on the dog in the last seven months and see what’s left. My guess is not much, if anything.

WiddlinDiddlin · Yesterday 19:11

WatchTheStormTouchDown · Yesterday 18:41

She’s now said that as we are ‘now’ keeping the dog, we need to pay what they paid for him when they bought him as a puppy. We were always keeping the dog from when she agreed to sign ownership to us.

We have also heard and seen evidence in text messages that my sister never intended to stay in the UK but wanted to convince her husband she was to get her own way about a bigger property abroad. That fits with what we heard her talking to her husband about when she was here and when he called us to say he was concerned about her, he checked that she had asked for the dog back and kept asking if we thought she was serious. Asking for the dog back was part of convincing him she was serious about staying here to force him into getting a bigger property over there. She has got her way about the property so is going back. We are all disgusted that she would use her children and our dog like that, distressing us and our children in her games. We won’t be having any more contact with her.

Ahahahahaha omg. She is a piece of work!

I'd tell her she can deduct it for what she owes you for 7 months of home-boarded kennel fees - at the average rate of £315 a week, she owes you probably around 9 to 9.5K.

i very much doubt the dog cost that.

ThreadGuardDog · Yesterday 19:11

PrettyPickle · Yesterday 15:11

Because the OPs sisters behaviour is erratic and the issue was never the dog but had the OP listened, that poor dog would have been on a piece of elastic, being pinged back and forward.

The sister is in a world of hurt, she does not know what she wants and what is right or wrong. Her own kid didn't know that they had left Dad for good for crying out loud and so only found out when sister decided she was off back....without the dog. She could have taken the dog the first time, and should have if it was oh so important to her and her kids, but she didn't - she dumped it on her sister who didn't want another dog at the time but she took it to help. So its no surprise she has stated the dog can stay. Her behaviour is erratic.

Do you really not see that the sister is in no fit state to take responsibility for another life, she is struggling to cope with her own and that of her kids? I'm saying that out of sympathy for her and the OP has evidenced this throughout and has a far deeper knowledge of her sister than we do. She is quite rightly frustrated by her sisters mixed messages but nonetheless supporting her in her struggles.

Absolutely this.

leli · Yesterday 19:17

TheHungryHungryLandsharks · 04/09/2026 09:05

They’re also saying that as the dog has only been with us for 7 months, we should give him back as it’s not long enough for him to have settled.

And how old is the dog? And what breed? That's completely relevant here.

I disagree with others that after 7 months a dog will be 'secure' in it's new home. I've known dogs that after 5 years still react like puppies when they see their original owners (I rescue, so I see re-homing a lot).

But honestly, regardless, I would show some compassion. She's lost her husband. Her kids have lost a dog. And the dog is their family. There are often very good reasons (as the wife of a diplomat, I have a lot of empathy for your sisters circumstances) why people leave dogs behind i.e if the climate is not suitable for them. It doesn't mean we don't care.

I don’t have particular sympathy for people who leave their dogs behind. Too many international workers and government staff leave their animals behind when they move on from one country to another.

WatchTheStormTouchDown · Yesterday 19:21

BMW58 · Yesterday 19:06

Wow OP your sister is a real piece of work!
I hope you've told her to FO in response to her request for reimbursement of the dogs original cost!

What an absolute self absorbed bastard.

I’ve ignored her and I’m considering whether to respond at all. We’ve been well and truly played. My parents are elderly and have been so stressed and not sleeping thinking she was such a bad place and it all been lies. My parents have been in regular contact with her husband to give him updates on the children, at my sisters request. My sister has done that knowing my parents would talk to him about how worried they are about her being so upset. It’s all been lies and game playing to get her own way. It’s unforgivable.

OP posts:
AcquadiP · Yesterday 19:54

ThreadGuardDog · Yesterday 19:07

And if she continues with these demands there’s a very easy answer. All OP needs to do is deduct the money she’s spent on the dog in the last seven months and see what’s left. My guess is not much, if anything.

Yes, I would keep all receipts just in case she decides to make a tit of herself in the Small Claims Court at some point🤑

But there would be complete radio silence on the subject from me. Firstly, if she wanted money to change hands, she should have said so before she signed her dog over to the op. Secondly, I would refuse to play her games. My peace is too important.

Ponoka7 · Yesterday 20:28

ThreadGuardDog · Yesterday 18:53

Is that really all you’ve taken away from this thread ?

That's the OP's focus.

Whyherewego · Yesterday 20:37

Wow. I saw this thread at the start and then just saw the latest updates. It's wild.
I feel sorry for her kids in all this.
And sorry for you OP who has been given the run around in all this.

Beachtastic · Yesterday 20:40

WatchTheStormTouchDown · Yesterday 19:21

I’ve ignored her and I’m considering whether to respond at all. We’ve been well and truly played. My parents are elderly and have been so stressed and not sleeping thinking she was such a bad place and it all been lies. My parents have been in regular contact with her husband to give him updates on the children, at my sisters request. My sister has done that knowing my parents would talk to him about how worried they are about her being so upset. It’s all been lies and game playing to get her own way. It’s unforgivable.

Blimey OP. I'm so sorry I misread the situation earlier.

Your sister sounds like trouble. Thank goodness you still have the dog!

godmum56 · Yesterday 20:41

Gobsmacked. I feel for you all who have had to deal with this completely shocking behaviour and that includes her husband.

I hope all those "oh give her the dog back you are soooooo crooooooool" people read the up date and are properly sorry

Milly16 · Yesterday 20:44

Give the dog back and get one of your own. The dog will adjust quickly

Mooselove · Yesterday 20:46

Milly16 · Yesterday 20:44

Give the dog back and get one of your own. The dog will adjust quickly

For goodness sake READ THE THREAD before posting comments

friendlyflicka · Yesterday 20:52

ThreadGuardDog · 04/09/2026 13:32

Why is it strange to think that it’s not in the animals’ best interests to remove it from a stable and happy home where it has the company of other humans all day and another dog with which it’s bonded, only to put it into a chaotic environment where it’s owner’s life is in upheaval and it will be alone a lot of the time ? How does this help anything that’s going on now ?

Do you think that if OP’s sister went to a rehoming centre and was honest about her present home situation they would even think of letting her have a dog ?

I think you are reading the chaotic upheaval into the sister. And I happen to think relationships with people are more important than with pets. There is no cruelty involved, it is about 2 good homes for a dog

ThreadGuardDog · Yesterday 20:55

friendlyflicka · Yesterday 20:52

I think you are reading the chaotic upheaval into the sister. And I happen to think relationships with people are more important than with pets. There is no cruelty involved, it is about 2 good homes for a dog

Read the OP’s updates. It’s very clear why she had reservations about giving the dog back given the outcome.

HisNibs · Yesterday 21:28

In your position OP, I just wouldn't respond. In fact, I wouldn't ever be in contact with her again. Did the same with my brother (for different reasons but it certainly did involve manipulation and playing people off against each other). Haven't spoken to him in over 12 years now. I have no regrets about it.

ETA - your earlier comment about taking a break from all of them I guess includes your parents? I can understand that too.

Smokewhistle · Yesterday 21:30

OP, as said further up the thread. Find out the daily cost of a medium sized dog in a boarding kennels. Multiply that price by seven, then work out how many weeks you have had him. If you get any more nonsense from your sister about paying for him. Present her with the bill for seven months board plus vets fees. She will end up owing you.

Packofsix · Yesterday 21:31

WatchTheStormTouchDown · Yesterday 18:41

She’s now said that as we are ‘now’ keeping the dog, we need to pay what they paid for him when they bought him as a puppy. We were always keeping the dog from when she agreed to sign ownership to us.

We have also heard and seen evidence in text messages that my sister never intended to stay in the UK but wanted to convince her husband she was to get her own way about a bigger property abroad. That fits with what we heard her talking to her husband about when she was here and when he called us to say he was concerned about her, he checked that she had asked for the dog back and kept asking if we thought she was serious. Asking for the dog back was part of convincing him she was serious about staying here to force him into getting a bigger property over there. She has got her way about the property so is going back. We are all disgusted that she would use her children and our dog like that, distressing us and our children in her games. We won’t be having any more contact with her.

That is disgusting behaviour!!!! What an absolute bitch she is!

RemindMeOfYourEyes · Yesterday 21:35

friendlyflicka · Yesterday 20:52

I think you are reading the chaotic upheaval into the sister. And I happen to think relationships with people are more important than with pets. There is no cruelty involved, it is about 2 good homes for a dog

It doesn’t seem as though OPs sister cares about relationships with people or pets, just big houses and money. I think OPs sister has shown herself to be a cruel person.

HisNibs · Yesterday 21:35

Smokewhistle · Yesterday 21:30

OP, as said further up the thread. Find out the daily cost of a medium sized dog in a boarding kennels. Multiply that price by seven, then work out how many weeks you have had him. If you get any more nonsense from your sister about paying for him. Present her with the bill for seven months board plus vets fees. She will end up owing you.

7 months is about 30 weeks. Take a cheap rate for home boarding of £30 per day, that's £210 per week so the total so far is now £6,300. I think that more than covers the cost OP's sister paid for the dog but honestly, I just wouldn't dignify the ridiculous request with a response.

godmum56 · Yesterday 21:41

Smokewhistle · Yesterday 21:30

OP, as said further up the thread. Find out the daily cost of a medium sized dog in a boarding kennels. Multiply that price by seven, then work out how many weeks you have had him. If you get any more nonsense from your sister about paying for him. Present her with the bill for seven months board plus vets fees. She will end up owing you.

RTFFT

godmum56 · Yesterday 21:41

HisNibs · Yesterday 21:35

7 months is about 30 weeks. Take a cheap rate for home boarding of £30 per day, that's £210 per week so the total so far is now £6,300. I think that more than covers the cost OP's sister paid for the dog but honestly, I just wouldn't dignify the ridiculous request with a response.

RTFFT

godmum56 · Yesterday 21:42

friendlyflicka · Yesterday 20:52

I think you are reading the chaotic upheaval into the sister. And I happen to think relationships with people are more important than with pets. There is no cruelty involved, it is about 2 good homes for a dog

RTFFT