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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:
Lacksie · Yesterday 10:51

ThreadGuardDog · Yesterday 10:49

The personal dislike displayed by some posters is very clear IMO. Look at some of the responses. OP has variously been selfish, a terrible sister, has no regard for her family and only wants to keep the dog to spite her sister. There have also been various comments about OP’s lack of concern for her sisters’ mental health. None of which has been the case, and all of which has been belied by OP’s subsequent posts.

It sounds very much as though sister does have some mental health issues, and it’s often the case that those with such problems are self centred and so absorbed with their own wants and needs that they have no regard to the chaos they bring to others. OP has clearly been dealing with that chaos - and maybe not for the first time. She appears to have had good judgement as to what is best all round given the circumstances and has steadfastly stuck to her guns.

The fact that she has been proved right in doing so has disgruntled a lot of posters so the criticism continues. My background is in disability support, including mental health, and FWIW I’ve seen enough of the abuse close family members suffer at the hands of those with MH issues to understand that there is a limit to the support that can be given. And it seems to me that some posters wouldn’t have been happy with anything less than OP setting herself on fire to keep her sister warm. There comes a point when support becomes enabling and OP clearly recognised that point. Good for her.

I think that we will have to agree to disagree

ThreadGuardDog · Yesterday 10:53

TheHungryHungryLandsharks · Yesterday 10:22

I thought you’d stopped engaging with me 😉

Where did l say that ? I asked you to end the original exchange because it was derailing the thread.

ThreadGuardDog · Yesterday 10:59

Lacksie · Yesterday 10:31

I personally do think it was a drip feed. If you look at the OP , it wasn't about the dog or the dogs best interests. There was one line right at the end that reads "I don't think it would be in the dog's best interests anyway" , a quick , final aside, with no further context given.

The post was all about the OP, her family and their feelings about giving up a dog, versus the feelings of the sister and her family.

Then when a minority of people said OP should give the dog back all this stuff came out about how sister doesn't have the capacity to look after a dog, is in a mental health crisis, doesn't care about the dog (or her children!) , the dog doesn't care about her, she's a terrible dog owner etc etc. That's why I question the OP's narrative a bit.

if OP had started with an opening post setting out the situation from the perspective of the dogs care and which home could better meet dogs needs, the responses might have been more unanimous. However , I personally don't think that's what this is really about anyway, otherwise she would have started with that.

Edited

OP wasn’t asking whether she should give the dog back though. She was asking whether it was unreasonable not to do so under the circumstances, and with the consideration that she thinks it’s not in the dogs’ best interests. The fact is that her sister agreed to permanently rehome the dog when she left. The fact that her plans didn’t work out doesn’t alter that, and that was the original premise on which the question was asked. What came after was as a result of OP answering questions directly asked of her.

SouthLondonMum22 · Yesterday 12:42

I hate drip feeds and just don't see that OP has done that at all. She answered questions as it went on anything from the breed of dog to if the dog had seen them and how it behaved around them plus updates as it happened. It wasn't a drip feed that OP's sister was going through it, many people used that as a reason why she should give the dog back.

ThreadGuardDog · Yesterday 13:00

SouthLondonMum22 · Yesterday 12:42

I hate drip feeds and just don't see that OP has done that at all. She answered questions as it went on anything from the breed of dog to if the dog had seen them and how it behaved around them plus updates as it happened. It wasn't a drip feed that OP's sister was going through it, many people used that as a reason why she should give the dog back.

Agree. I think the problem is that many posters have misinterpreted the original question. OP wasn’t asking whether she should keep the dog - she’d already decided that, based on what was best for the dog. She was asking whether it was unreasonable for her to do that based on the circumstances in which the dog was placed with them - namely that the sister had agreed to rehome the dog with OP permanently because she was originally leaving for three years.

OP had had the change of ownership registered, the chip details changed, had paid vet fees and all the expenses connected with the dog for the last seven months, so to all intents and purposes the dog was hers. So the question was actually whether the sister was entitled to ask for the dog back, simply because her circumstances had changed and she was back after a few months. What came after, to my mind wasn’t a drip feed, it was a continuous update, based on the questions she was being asked.

Ponoka7 · Yesterday 13:49

The sister's husband took a job abroad, we don't know if she wanted to go, but she did. Perhaps it was non negotiable for him. She found it difficult, as it is, to relocate. She came back, which meant being a full single parent and found she couldn't cope. She didn't want her marriage to end, I'm sure her two children didn't and missed their Dad. So she's gone into a MH crisis. To save her marriage, she has to live somewhere she doesn't like and give up her whole life. Plus no-one really knows the inside of a marriage. But fuck all that, the selfish bitch didn't make her bed.

Dersie · Yesterday 14:32

Flamingojune · Yesterday 08:22

So the 'non angry people' are the ones that agree with op?

Absolutely not, everyone is entitled to their opinion but there's no need deliver it in such an aggressive manner.

PrettyPickle · Yesterday 14:54

Lacksie · 05/09/2026 16:37

is that really what you believe? Is that how you would react if a sibling wrote something like that about you? "Oh it's out of context"?

Happy to repat myself - YOU are taking it out of of context

Dersie · Yesterday 14:57

TheHungryHungryLandsharks · Yesterday 08:04

But if you understood anything about MH you’d understand all those behaviours and actions are the hallmarks of someone deeply struggling. I get it’s hard on you, and as I said you clearly are trying, but I just think there are better steps you could have taken.

You sounds rather like you expect thanks from someone in the midst of a breakdown, and anyone who has every experienced a mental health crisis or supported someone through it, will tell you that’s not how it works. People spiralling are selfish, because they’re not thinking properly. If you expect thanks for someone in the midst of a breakdown, then that’s a sign you should step away…and if you find your own mental health struggling as a result of helping support someone else, then again that’s a sign you should step away.

I hope you do have a lovely breakfast and I hope your sister gets the MH support she clearly, desperately, needs.

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.

SixtySomething · Yesterday 15:04

I would give it back.

PrettyPickle · Yesterday 15:11

Lacksie · 05/09/2026 21:35

Oh so first you were dragging her for asking for the dog, now you are dragging her for saying you can keep him?.
Who needs enemies eh?

Edited

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.

Charel2girl5 · Yesterday 15:19

OP you have done your very best for your sister as has your husband and family. She may see the errors of her ways in the future but just concentrate on your own family now. I would also not discuss her with your parents, they are obviously going to defend her.
Look after yourself, you’re a great sister!

Mooselove · Yesterday 15:30

SixtySomething · Yesterday 15:04

I would give it back.

I would read the thread

Lacksie · Yesterday 17:28

PrettyPickle · Yesterday 14:54

Happy to repat myself - YOU are taking it out of of context

I don't believe there's any context on this thread that justifies such comments.
I'm happy to repeat myself- what do you think OP's sister would think if she came across the thread?

PrettyPickle · Yesterday 18:40

Lacksie · Yesterday 17:28

I don't believe there's any context on this thread that justifies such comments.
I'm happy to repeat myself- what do you think OP's sister would think if she came across the thread?

Edited

I think the OP was rightfully expressing her concern about her sister and the dogs welfare, and her stance was proved true by the OPs final update.

And yet again I repeat that you are taking her comments out of context, happy to keep repeating it if that is what it takes.,

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.

OP posts:
ThreadGuardDog · Yesterday 18:53

Ponoka7 · Yesterday 13:49

The sister's husband took a job abroad, we don't know if she wanted to go, but she did. Perhaps it was non negotiable for him. She found it difficult, as it is, to relocate. She came back, which meant being a full single parent and found she couldn't cope. She didn't want her marriage to end, I'm sure her two children didn't and missed their Dad. So she's gone into a MH crisis. To save her marriage, she has to live somewhere she doesn't like and give up her whole life. Plus no-one really knows the inside of a marriage. But fuck all that, the selfish bitch didn't make her bed.

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

Easilyforgotten · Yesterday 18:56

Wow, that's escalated. Have you ever known your sister be that calculating or is this new behaviour? If she's always been this dispassionate and performative about getting her own way it adds so much weight and reasonableness to your (absolutely correct) position regarding the dog.

wheresthesnowgone · Yesterday 18:56

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.

Does her husband actually want her back? Or is he going along with the drama in order to be reunited with his children?

Lacksie · Yesterday 18:57

PrettyPickle · Yesterday 18:40

I think the OP was rightfully expressing her concern about her sister and the dogs welfare, and her stance was proved true by the OPs final update.

And yet again I repeat that you are taking her comments out of context, happy to keep repeating it if that is what it takes.,

I think we are going round in circles so will leave it there.

ThreadGuardDog · Yesterday 18:59

Lacksie · Yesterday 17:28

I don't believe there's any context on this thread that justifies such comments.
I'm happy to repeat myself- what do you think OP's sister would think if she came across the thread?

Edited

I would hope she would read through OP’s posts and realise how her own selfish actions affect others.

Mooselove · Yesterday 19:00

Wow OP your sister sounds awful. Calculating and selfish. Her poor children.

ThreadGuardDog · Yesterday 19:01

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.

I don’t think there’s any more you can do OP. You’ve tried to support her and things have just escalated. Much better to take a step back from it all for the salon of your own mental health. It sounds utterly draining.

WatchTheStormTouchDown · Yesterday 19:03

Easilyforgotten · Yesterday 18:56

Wow, that's escalated. Have you ever known your sister be that calculating or is this new behaviour? If she's always been this dispassionate and performative about getting her own way it adds so much weight and reasonableness to your (absolutely correct) position regarding the dog.

She has always liked nice things and is always wanting bigger and better. They have stretched themselves financially before due to her wanting more and more and him trying to keep her happy. The move was to earn more and pay less tax and was her idea.

OP posts:
WiddlinDiddlin · Yesterday 19:05

redboxer321 · 05/09/2026 18:32

Could help me make sense of this statement?

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).

When is a rehomer ever going to witness a dog meet up with its original owner again? Especially after five years?
It's been puzzling me but there may well be a perfectly logical reason that I have missed.

I have seen this, a number of times including a dog who came to live with me, whose former owners just turned up one day... she couldn't give a shit about them, didn't even look up. She clearly recognised them as her normal greeting to friends and strangers alike was effusive, so this wasn't just a typical aloof response from her!