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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

How to handle MIL keeping in touch with my partner's ex

192 replies

ayloan · 31/01/2026 01:17

My partner had a long-term relationship with a woman. During that time, they shared a dog and he said she did not build a relationship with his family. Fast forward, they broke up, 5 years later he met me and we now have a child and live together. I put in effort to getting to integrate into his family and spend time with them. But MIL has increasingly put effort into rekindling her connection with my partr's ex including taking her to lunch, looking after the dog, and keeping in touch with her family. Ex uses my partner and his parents for what. Seems like dog daycare.
MIL does not seem keen on our child or my family but seems to be pouring effort into partner's ex and their dog and keeps in touch with her family.
Am I being unreasonable to be uncomfortable and ask partner to have boundaries with ex?
My partner seems to think they're just doing the right thing by their dog and I'm unreasonable for asking him to cut contact with ex.
If you were in my shoes, what would you do?
Really looking for some perspective here as I'm questioning my experience and expectations.
Thank you.

OP posts:
UncharteredWaters · 31/01/2026 11:57

Aerodiabetes · 31/01/2026 01:34

Don’t be ridiculous. Dogs are not replaceable anymore than children are

Yes they are. Dog dies - buy a new one tomorrow.
No matter what anyone says a dog and a child are not comparable.

Patagonia21 · 31/01/2026 12:13

Your mother in law has integrity. She does not abandon people or animals on the basis of her son moving on. I respect her for that. Animals are part of the family and love the people who have been theirs for most of their lives. They do not forget.

Applecup · 31/01/2026 12:35

If the Mil wants to spend time trying to keep in with the ex I would let her crack on. Tbh the ex partner doesn't seem that bothered as she has moved to Canada! I am sure it will fizzle out. However, I wouldn't be waiting around for your Mil to start taking an interest in you and the baby. Pull right back. Silence is sometimes stronger than words. Let her start worrying that you aren't responding and don't give in to her. Just leave her on read or reply a week later. She can't have it both ways.

Cherrytree86 · 31/01/2026 12:46

Patagonia21 · 31/01/2026 12:13

Your mother in law has integrity. She does not abandon people or animals on the basis of her son moving on. I respect her for that. Animals are part of the family and love the people who have been theirs for most of their lives. They do not forget.

@Patagonia21

FFS, it’s a DOG! So long as it gets fed and walked it’s fine, it doesn’t give a shit about its MIL!

nothanks2026 · 31/01/2026 12:52

Cherrytree86 · 31/01/2026 12:46

@Patagonia21

FFS, it’s a DOG! So long as it gets fed and walked it’s fine, it doesn’t give a shit about its MIL!

And the dog is now apparently in Canada. And the mil had nothing to do with it for years anyway.

But the whole story has more holes than a collander, pretty sure OP is either making it up or away with the fairies.

WhatNoRaisins · 31/01/2026 12:52

I get that dogs can make wonderful companions but they aren't the same thing as children. That said I'll be adding ex with a dog to my red flag list if I ever start dating again.

WhereYouLeftIt · 31/01/2026 12:59

HazelMember · 31/01/2026 11:45

So, I'm no longer thinking about marriage as strongly as I used to.

Yet you had a child with him which is an even bigger commitment?

MILs behaviour only changed once OP was pregnant. So that commitment was made before her DP's family started with the mindfucking; since when she has naturally felt less committed to the man who thinks his mother's behaviour is fine and dandy.

Stressybetty · 31/01/2026 13:08

AndyMcFlurry · 31/01/2026 11:11

I m going to be blunt OP . You need to take a good hard look at how your partner is treating you , what his priorities are and how important you are to him.

You also need to stop trying to integrate yourself in your BF family. She’s not your MIL and even if she was, they are still not your family . If you and your BF split up ( which is a 50% chance ) you will probably never see them again .

So stop sending her videos and pictures, let your baby’s dad do that . I assume he has a Mobile phone , there’s no need for you to do this .

Dont see his family alone , only when he is there . Let him take baby to visit his family for the day at the weekend while you do something nice for yourself . If necessary , tell him you are going to visit a friend who is having a difficult time because her gran is unwell / she’s split with her BF / she’s worried about her job . TBH I’d say that at any given time there’s at least one of my friends who actually has some issue , so I’d just use that .

Then invest all that time and emotional energy you are wasting on his mum and his ex and his dog and put then into YOUR life . Your own friends and family , your own education or career .

don’t make any announcements or drama , just do a slow fade on your involvement . Be polite but distant - it’s not your circus and not your monkeys .

get back to work full time after your maternity leave . Your DP needs to learn to pull his weight in the house and with your child . And you need to keep your options open .

don’t use his family for childcare , only use yours or paid .

remember that right now you are losing income , pension contributions and career opportunities to protect HIS. But you have no claim on him if you split up . So wise up - you have a child to support for the next 20 years , you can’t afford to be self indulgent.

Agree with this.

NarnianQueen · 31/01/2026 13:11

I’d start about how nice it was to catch up with your ex and his mum “oh I love my ex-mil, she’s so lovely”

see if she gets the point 😂

I'm petty though

SerafinasGoose · 31/01/2026 13:19

ayloan · 31/01/2026 03:56

Thanks for the advice ẞ@Vaxtablei'm distancing myself from MIL as I do not think she's deserving of my time or attention any longer but she's manipulative by texting me one liners pretending to care and then complaining to my partner that I don't respond. It's push and pull. She starts texting me when she notices I pull back and when I re-engage, she pulls away. For example, I send her videos of my baby and her son but she'll not acknowledge them. And then I pull back, then she begins texting me after a while asking whether we're enjoying the weather.

My MiL tried 'love bombing' me last year when she realised she hadn't seen me for three years. She unexpectedly sent me a gift when I was in hospital. I responded with a thank you via snail mail - no way is she having my personal contact number.

I find it quite amusing that the last time she saw was me a couple of months after I'd nearly died in an accident, then again from surgery complications. Not only did she not bother to ask how I was (which I didn't expect) but she cut me dead and refused to speak to me in my own home (which I did). A brief 'hello' would have sufficed and is the most basic courtesy anyone is entitled to expect.

By this point, I was through. It was the last time I saw her and the last time I intend to. Long story, of course.

As to your MiL, I'd say from personal experience that the best way to deal with this is to withdraw. The 'push pull' idea you describe is a common part of the cycle of emotional abuse: you can Google several variations on this theme. Without the occasional kind parts no one would tolerate their behaviour, so they give just enough to keep you embroiled within the cycle. I have no time for people who behave like this. I'd drop the rope and let your DH contact her in future. She is his mother, after all.

And sorry, but this 'joint custory of a dog' thing is over-emotional, anthropomorphic BS. Dogs are not children, do not require the same care as children, and are not at the same level of priority as children. I've always been fond of dogs, which I treat as dogs, not as 'fur babies'. Some owners these days have completely lost the plot and fail to recognise that treating dogs as human beings is not necessarily in their best interests.

Protect yourself at a distance, OP. 💐

Wirrrrrral · 31/01/2026 13:21

ayloan · 31/01/2026 10:53

Thank you for understanding and for the kind advice too.
I have discussed with him that I do not appreciate his mum planning with him things to do with his time in a way that takes away from our family and leaving me in the dark and I do not want him sneaking to talk to his ex through his mum. I will discuss with him to just own his stuff if that's what he chooses to do and I'll make my boundaries clear
And yes, I will work on my independence and security.
I agree with someone who also said my PND may affect how I feel. When baby was born, I told the mum that I had PND and how the lack of support from her is affecting us, and things that I requested from her was to leave me out of things with ex and dog but not much as changed. She just now has increased her communication with ex and 'mistakenly' forwards messages to me.

That’s very sad. Unfortunately your MIL has weaponised your PND and inadvertently you handed her the bullets to shoot you with. I have been in your exact situation. I tap danced to my MIL tune for decades for approval. I am so so angry and sad with my young self for doing this. I wish I could see that she didn’t like me, never would and it wasn’t personal. I wish I had cared enough about myself to look at the wounds from my own childhood that I need to take responsibility for healing - because if it wasn’t her who ‘hurt me’ - it would just be someone else.

Look after your own emotional health - invest all your finite time, energy and headspace into getting busy with warm wonderful people and activities in your life and actively emotionally detach from such characters as your MIL in your head. It doesn’t have to be dramatic, conflict or confrontation - just decide you don’t share the same values are not compatible and fade her out of your life.

Your DC needs an emotionally healthy, positive, confident and fulfilled mother so that they have the best emotional development. Do whatever it takes to move towards this and maintain it.

Wirrrrrral · 31/01/2026 13:35

SerafinasGoose · 31/01/2026 13:19

My MiL tried 'love bombing' me last year when she realised she hadn't seen me for three years. She unexpectedly sent me a gift when I was in hospital. I responded with a thank you via snail mail - no way is she having my personal contact number.

I find it quite amusing that the last time she saw was me a couple of months after I'd nearly died in an accident, then again from surgery complications. Not only did she not bother to ask how I was (which I didn't expect) but she cut me dead and refused to speak to me in my own home (which I did). A brief 'hello' would have sufficed and is the most basic courtesy anyone is entitled to expect.

By this point, I was through. It was the last time I saw her and the last time I intend to. Long story, of course.

As to your MiL, I'd say from personal experience that the best way to deal with this is to withdraw. The 'push pull' idea you describe is a common part of the cycle of emotional abuse: you can Google several variations on this theme. Without the occasional kind parts no one would tolerate their behaviour, so they give just enough to keep you embroiled within the cycle. I have no time for people who behave like this. I'd drop the rope and let your DH contact her in future. She is his mother, after all.

And sorry, but this 'joint custory of a dog' thing is over-emotional, anthropomorphic BS. Dogs are not children, do not require the same care as children, and are not at the same level of priority as children. I've always been fond of dogs, which I treat as dogs, not as 'fur babies'. Some owners these days have completely lost the plot and fail to recognise that treating dogs as human beings is not necessarily in their best interests.

Protect yourself at a distance, OP. 💐

Edited

Agree. Well done for spotting her push / pull game. Drop the rope - don’t play it.

Imagine her as a hyena or scorpion - so that you don’t get groomed and fooled again - because it’s a ‘when’ not ‘if’ she will maul you / sting you again.

You can do NC and block her or you can do LC grey rock.

LC Grey rock is denying someone the energy from you that they provoke and feast off. You become really dull - put her on an information diet - no proactive communication from you. Don’t acknowledge any of her texts unless there is a specific question and then after 24hrs select an already written response from a prepared bank - eg ‘No.’ ‘No I’m busy.’ ‘No I don’t want to.’ ‘No that doesn’t work for me.’ ‘I have nothing to say to that’ ‘I won’t be commenting on that’ etc.

Often LC is the fade to NC.

How are things with your DH? It’s hard for them to see it at the same time as you and they have been groomed / the boiled frog their whole lives. It’s good you live far away. Don’t let her dismantle your marriage by default (if it’s worth saving) your DC is better off with two parents
(if you can work together). He doesn’t have to be on the same page as you about his DM (she likely treats him like a prince) - he should respect your choices and you should respect his - don’t let her come between you.

Wirrrrrral · 31/01/2026 13:44

Patagonia21 · 31/01/2026 12:13

Your mother in law has integrity. She does not abandon people or animals on the basis of her son moving on. I respect her for that. Animals are part of the family and love the people who have been theirs for most of their lives. They do not forget.

How does the dogs age add up?

The dog is 9.

OP met her DP 5 years after he broke up with ex and she has been with him 5 years - so the DP has been apart from ex for 10 years now but have a 9 year old dog?

HazelMember · 31/01/2026 13:50

WhereYouLeftIt · 31/01/2026 12:59

MILs behaviour only changed once OP was pregnant. So that commitment was made before her DP's family started with the mindfucking; since when she has naturally felt less committed to the man who thinks his mother's behaviour is fine and dandy.

The issue with the dog was going on before that. It was not just once the OP got pregnant.

They agreed she'd have the dog when they split. When she goes on holiday, she'll ask him to take dog so she doesn't have to pay for dog care. His mum began requesting to take the dog more and more to their house and look after her.

Wirrrrrral · 31/01/2026 14:14

ayloan · 31/01/2026 10:53

Thank you for understanding and for the kind advice too.
I have discussed with him that I do not appreciate his mum planning with him things to do with his time in a way that takes away from our family and leaving me in the dark and I do not want him sneaking to talk to his ex through his mum. I will discuss with him to just own his stuff if that's what he chooses to do and I'll make my boundaries clear
And yes, I will work on my independence and security.
I agree with someone who also said my PND may affect how I feel. When baby was born, I told the mum that I had PND and how the lack of support from her is affecting us, and things that I requested from her was to leave me out of things with ex and dog but not much as changed. She just now has increased her communication with ex and 'mistakenly' forwards messages to me.

If she is doing this just block her. You are unwell and you do not need to be exposed to her underhand passive aggressive emotional violence. You have severely reduced emotional capacity right now and need to conserve it for your recovery and your DC. So it’s on you to put yourself in a healthy emotional environment and cut out the toxic that will make you more mentally unwell when you are so vulnerable.

It’s no different from an asthmatic actively choosing to protect / conserve their health by avoiding going to a smoky / polluted environment.

Whackybakky · 31/01/2026 15:23

QueenofDestruction · 31/01/2026 02:09

Animal. Cruelty bravo. You do not ditch a pet. You should not own pets.

Giving the dog to his ex is not animal cruelty.

Giving the dog more priority than your current partner and CHILD is cruelty

Blueblell · 31/01/2026 18:12

MIL sounds like someone to avoid and sounds needy. I would leave her to it and just put the minimum effort in.

Zerosleep · 31/01/2026 18:17

You need to put your foot down, why is he in contact with his ex? Why is the dog anything to do with him now they aren’t together? I would be highly suspicious and want him to cut ties.

ThatSassyPinkDuck · 31/01/2026 18:55

Maybe she likes the dog and is Lonley but she can’t buy a new dog as she’s old. Your obsession with your mil is strange you’re not her partner right. Dogs are for life they are like people’s children. Your partner sounds like a decent bloke just be happy you caught a guy with good morals. Would you want him to just give up on your child ? If you split.

MyLimeGuide · 31/01/2026 19:22

Cherrytree86 · 31/01/2026 12:46

@Patagonia21

FFS, it’s a DOG! So long as it gets fed and walked it’s fine, it doesn’t give a shit about its MIL!

😂 EX mil!

August1980 · 31/01/2026 19:37

Are you married OP? How old is your child?

i am a massive dog lover. I have Read out all the comments to my dog:) who is sharing the couch with me. We both agree it’s Very strange mother in law Is attached/invested in the dog and not her grandchild…

Pessismistic · 31/01/2026 21:07

Hi op it’s nothing to do with pnd. Dp mum is being an absolute bitch does your dp not see she would rather spend time with his ex dog than his new dc. He should be the one hurt by his dm lack of interest if I was you I would retreat from his family and let them get on with it. She’s not sending messages by mistake there all deliberately sent. Just say to your dp you no longer want to hear anything about his ex and dog and if mum thinks it’s important for him to know then they are both just very disrespectful to you and your dc.

Unexpectedlysinglemum · 31/01/2026 21:10

Vaxtable · 31/01/2026 01:20

I wouldn’t expect your partner to have anything to do with his ex. His mother, it’s up to her but I wouldnt go out of my way to build a relationship with her if she’s not interested in your child

I agree it’s as simple as this

littlemisspigg · 31/01/2026 21:36

ayloan · 31/01/2026 04:06

Things between me and MIL were great because I was overlooking her neediness and I was being nice. Once I had baby, I could no longer put her needs above mine or my child's and this is when tension built up from her side.
She was upset when we told her we were pregnant and when baby arrived, she was trying to distract partner from parental responsibility by always coming to house for tea or to take son out for a walk but was refusing to hold baby

Get another dog for yourselves

Zoec1975 · 01/02/2026 00:36

Whackybakky · 31/01/2026 01:26

It seems like this dog is more of a priority than his current partner and child.

He should have ditched the dog along with the ex. Buy a new one, it's only a dog fs.

His priority should be his partner and child, not an animal and his ex.

Ditch the dog and buy a new one,it’s only a dog! You don’t treat animals like a new handbag they are for life.i understand now why there are so many dumped in shelters,if people have that kind of mindset,then I pray they never ever have animals.