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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

My crazy SIL

114 replies

Username98337 · 13/12/2024 21:34

This is massive sorry but I need to let it out somewhere. I’ve had issues with my SIL (BILs girlfriend) since the day I met her. For ease, we’ll call her Daisy and we’ll call BIL Harry. For context, she and my BIL are my age, my husband is three years older.

I started dating my now husband in early 2016. Near the end of 2016, around October/November time, Harry introduced us all to Daisy. Daisy asked how long I’d been with my now husband for at this point, and I said 10 months. She told me she’d been with Harry for two years. The family all thought this was unusual because none of them had ever met, seen, or heard of her before. She told my MIL and husband that she met Harry at a party, she told me she met him through tinder, and according to Harry, they met at university and had to go long distance for a while. To be honest I didn’t really care enough, so never thought twice about it until now.

When we got to 2019, my now husband proposed. Daisy was furious when we announced the news, and openly said she should have been engaged first because she’s been in a relationship longer. In 2019, my now husband and I also bought our first house. We had a housewarming party which Harry attended alone. Daisy and Harry started renting a house a few months after we bought our house. For a few years (2019 to 2022), she told everyone they had bought the house, and none of us questioned this. However, in 2022, she and Harry had to move in with my MIL as their landlord no longer wanted to lease the property, and this is when we all discovered she wasn’t truthful about owning the property. She does own a house with Harry now (or so she says). Harry never shares any details, Daisy does all the talking.

Also at the start of 2022, my husband and I got married. Daisy argued with Harry very publicly in our reception, telling him that she should have been the one getting married first, not me (they still weren’t engaged at this point, and still aren’t engaged now).

After our wedding, Daisy started asking me at every opportunity when I was planning on trying for a baby. Literally everyday she would ask me, and I always responded with ‘not just yet’. Eventually the constant questioning got to me, and I admitted to her that we’d been trying for a baby ever since we bought our house in 2019, and we were on a waiting list for fertility treatments via the NHS. She said she was sorry to hear this. A couple months later she texted me to say she was 4 weeks pregnant and it was a complete accident and she’s so surprised at how easily she got pregnant. I texted back ‘congratulations, I’m so happy for you’. I genuinely was, but didn’t agree with her letting me know it was an accident. I didn’t share this with her as I won’t let my rain dampen someone else’s parade, plus I pick and choose my battles and didn’t have the energy to fight it.
Around when Daisy was 8 weeks pregnant, she very sadly had a miscarriage and I was genuinely heartbroken for her. I sent her flowers and food packages, and wished her my love.
At the end of 2022, I found out by some complete miracle that I was pregnant. The chances of this happening for us naturally were next to none, so I was very weary of getting too excited. My husband texted Harry and Daisy the news when we got to 12 weeks (we texted as we didn’t want to tell them in public knowing they’d had a loss). Harry called to congratulate us and sounded genuinely pleased for us. My husband apologised for telling him over text but Harry said he understood and appreciated it. We never heard back from Daisy.

When I was around 6 months pregnant, my husband and I met up with my MIL, Harry and Daisy for lunch for MILs birthday. Daisy refused to look at me and blanked me when I said hello to her. After the lunch, my MIL asked my husband and I if we’d like to go baby clothes shopping with her (MIL was very excited about having a grandchild). We agreed and Harry also came along as he said he wanted to treat his future niece or nephew. Daisy meanwhile ran off to sit in Harry’s car for the duration of our shopping. I texted Daisy when we got home to ask if she was ok and she said that she didn’t appreciate me inviting everyone baby clothes shopping as it was really insensitive to her (baring in mind my MIL organised this, not me, and Harry was happy to come along). She also said that I was rubbing my pregnancy in her face by wearing a tight fitting dress, and that I should have worn something loose to hide my bump from her (I was wearing a flowy maternity dress). I apologised and we didn’t discuss it since.

When my baby was born, Daisy refused to meet her, and to this day she doesn’t even look at her or acknowledge she’s in the room. I get that she’s suffered a loss but I think this is unhealthy. My husband spoke with Harry about it, and Harry said that they’re not currently trying as neither of them want a baby yet, and have plans to travel before settling down. Last month however, Daisy told my MIL that I’ve mocked her for having a miscarriage (I never would and I’m still offended by this), and said that I’ve done nothing but bully her since the day we met. My MIL disregarded this immediately. She then showed my MIL a diary she’d kept since 2016, wherein she’s written down all the times I’ve “bullied” her (all complete lies - things like I’ve hit her, called her house ugly, etc). My MIL has never been overly keen on her as she tells small lies a lot (e.g., her salary changes constantly, there’s different versions of how she and Harry met, she said she was originally from Bradford then moved to Scotland as a child when she’s actually from Lancaster, she said her dad is a multi millionaire with a successful company but can’t say the company as it’s top secret, etc). I now think she’s trying to turn my MIL against me, which is sad as I have a lovely relationship with her (so far it’s not working, and is only making MIL dislike Daisy more).

I basically feel like Daisy doesn’t like me, and has wanted to be “first” at everything, and can’t cope that I was. I don’t care about being first, but I feel like she does. She’s still not engaged and I dread to think how she’ll act if it doesn’t happen soon. I’m really furious about this notebook though, I think it’s really weird behaviour, and I’m now starting to think that there’s something wrong with Daisy mentally. Everyone is just laughing it off but my blood is boiling over it. Should I confront Daisy? Or should I ignore her and totally cut her off? I don’t want to be anywhere near this woman anymore, I think she’s plain weird!

OP posts:
Rubyupbeat · 14/12/2024 17:38

I would actually be very wary about her. Yes, she could just be batshit and the whole thing quite funny, but tbh people like this can be dangerous, spending a long time working out ways to punish you, and your family.
Just be careful.

WindyRedAlert · 14/12/2024 22:23

Daleksatemyshed · 14/12/2024 17:25

Daisy had a mental timeline, dating a year, then engagement, few more months then wedding and a baby soon after that, she's focusing all the weirdness on you because you cheated (in her eyes). You got engaged too soon, then married and had a child, you stole her thunder at every turn, you're the reason why she's unhappy and she needs to punish you and wants everyone else to join in.
I'm afraid Daisy has a PD, she lies about everything and she can't bare to be second best- the fact your BIL hasn't asked her to marry him must make her livid.
Don't trust her Op, you've become her mortal enemy and she'll only get more vengeful as time goes on

This. This post hits the nail on the head . Your SIL thought she was a notch above you and thought she would be where you are . She had very different life plans for you . I would distance myself as much as possible. Be careful she doesn't try to influence your kids .

Sassybooklover · 14/12/2024 22:41

Take a step back. Don't engage on any level with this woman. Definitely don't confront her, you will only achieve in making the situation worse. Not only is she a liar but she's unhinged. Your family may be laughing off her behaviour, but you are right to be very cautious. Her behaviour is not normal by any standard. She's clearly very jealous and fixated on you, which seems to be the root cause of her behaviour. This type of unhealthy fixation, is what leads to stalking and harassment.

NiftyKoala · 15/12/2024 01:55

What ever you do do not ever let her alone near your baby.

BureauCats · 15/12/2024 02:12

CautiousLurker01 · 13/12/2024 23:15

Hate to say this, but I’d be suspicious of the miscarriage claim. I had 5 miscarriages at the 8-12 stage. Never had to have a medical intervention for any of them (D&C etc). The protocol is to let nature do its thing. If it were an ectopic pregnancy she might have needed to go in - but she’d have been in significant pain and very sick, so she’d not have been ‘dropped off’.

Am sorry, but this seems like ‘single white female’ territory (hopefully you know the film) and I would think she most definitely has a personality disorder. You need DH and MiL to take this more seriously because the chances are DBil is in an abusive relationship and/or at risk.

Hmm, I agree I suspect she may be making it up, but your claim about ectopics isn't correct. I had one a few months ago (described as "sizable" by the surgeon post-removal) and I had no pain or symptoms at all. They couldn't even see it on the scan as it was hidden in my tube. It was only diagnosed via very high HCG readings that continued to increase, and the surgery was initially "exploratory" until they actually located it.

XWKD · 15/12/2024 02:16

She's a psycho. She's jealous of you having a child. She's dangerous.

CautiousLurker01 · 15/12/2024 06:48

BureauCats · 15/12/2024 02:12

Hmm, I agree I suspect she may be making it up, but your claim about ectopics isn't correct. I had one a few months ago (described as "sizable" by the surgeon post-removal) and I had no pain or symptoms at all. They couldn't even see it on the scan as it was hidden in my tube. It was only diagnosed via very high HCG readings that continued to increase, and the surgery was initially "exploratory" until they actually located it.

Apologies if ectopic issue incorrect, was going on the experience of a friend, just as I was basing the likelihood of sil needing to go to hospital as being lowish on mine (and both my sisters’ experiences of multiple miscarriages). Do appreciate everyone is different and miscarriage is complex, but I think I was interpreting the circumstances in the light of the SILs history of lying.

Apologies if I offended anyone by being dogmatic - I wasn’t meaning to be dismissive of other women’s experiences of miscarriage, esp as i also found it difficult to deal with other people’s baby news after mine, I was only intending to be sceptical of SIL’s claims.

CleverGreyDuck · 15/12/2024 07:03

Very bizarre behaviour and actually worrying. I don’t think it should be laughed off but equally I think giving it any attention will fuel the issue. How on earth does BIL put up with it

BureauCats · 15/12/2024 07:23

CautiousLurker01 · 15/12/2024 06:48

Apologies if ectopic issue incorrect, was going on the experience of a friend, just as I was basing the likelihood of sil needing to go to hospital as being lowish on mine (and both my sisters’ experiences of multiple miscarriages). Do appreciate everyone is different and miscarriage is complex, but I think I was interpreting the circumstances in the light of the SILs history of lying.

Apologies if I offended anyone by being dogmatic - I wasn’t meaning to be dismissive of other women’s experiences of miscarriage, esp as i also found it difficult to deal with other people’s baby news after mine, I was only intending to be sceptical of SIL’s claims.

Totally fair enough, and no offence taken at all! I didn't know much about ectopics before I had mine, and I was surprised I had no pain. I also agree that the SIL's story sounds sketchy... I assume if she'd had surgery, she would have been a lot more explicit about it, as she doesn't sound much like the type of person who would hide that information!

Igmum · 15/12/2024 07:47

I too would worry about this. Clearly she sees you as the competition and, now she can't win, is trying to build a case against you. How fortunate that the whole family see right through this, but what on earth is Harry doing still going out with her?

WhatNoRaisins · 15/12/2024 08:47

It's awful but I think you just have to try to be so boring that she'll need to find someone else to target. It might be wise to keep a private record of her behaviour for your own reference.

comfortandjoyy · 15/12/2024 11:11

Sassybooklover · 14/12/2024 22:41

Take a step back. Don't engage on any level with this woman. Definitely don't confront her, you will only achieve in making the situation worse. Not only is she a liar but she's unhinged. Your family may be laughing off her behaviour, but you are right to be very cautious. Her behaviour is not normal by any standard. She's clearly very jealous and fixated on you, which seems to be the root cause of her behaviour. This type of unhealthy fixation, is what leads to stalking and harassment.

Her behaviour is not normal by any standard. She's clearly very jealous and fixated on you, which seems to be the root cause of her behaviour. This type of unhealthy fixation, is what leads to stalking and harassment.

I agree and thats why I said up in previous posts to keep your own log of incidents. I dont know if keeping the diary and then showing this false info to others is actually a criminal offence? I would log that somehow. I would get a ring doorbell and dash cam, cut her out of any SM and a total info diet. Tell your DH and MIL that zero info does to her on BIL about your family.

PyongyangKipperbang · 15/12/2024 12:37

coldcallerbaiter · 13/12/2024 23:34

She is not your SIL firstly.

I would actually hope your BIL drops her, because she sounds pathetic. Might be why they are not married, as he is not too sure. I expect MIL sees through her.

Do not give her the satisfaction of any attention. Just be indifferent.

There's always one......

EmsSummer · 15/12/2024 16:07

WhatNoRaisins · 15/12/2024 08:47

It's awful but I think you just have to try to be so boring that she'll need to find someone else to target. It might be wise to keep a private record of her behaviour for your own reference.

Someone like daisy will never find a target boring. They will exploit every angle of someone’s personality.

im sorry i know ive commented multiple times on this thread, ive never done this before, but I just feel so deeply for the situation you are in. There is no winning with malignant narcissist like this. If I could I’d call and tell you all the lengths my ex-SIL in law went to including alienating my brother and trying to turn my mum against me and my other brother. It often (briefly) worked unfortunately 😢 I ended up in counselling at the start of the year after 14 years of it, and my brothers death got on top of me.

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