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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

AIBU - my boyfriend and a married woman

68 replies

Tryingtoberreasonable · 29/01/2025 07:49

I have been with my boyfriend just over a year. When we first got together, he had a female friend from the gym who he did not hide and was very open about. It is a gym that does group sessions and he often mentioned they paired up together as they had similar abilities or were on at a similar fitness level. I didn’t think much of this as it is a transformation gym and he is one of the few people that are noticeably unfit. I never had any concerns as he said she was married and I also have close male friends that are nothing more.
However soon into the relationship it came to light that the husband of said wife, was not comfortable with my boyfriend and his wife’s relationship. He told me her response was “I have so many other male relationships so I don’t understand why he is so bother about this, he will have to get over it. You watch he will come back with his tail between his legs”. I soon realised it wasn’t just that they went to the gym together, they messaged from morning to night on social media, sending memes and photos to each other. And sometimes after the gym I would go for coffee together. Although my partners messages to me didn’t ring any alarm, I did feel slightly uncomfortable about the level of messaging, and I know it sounds crazy but that a married woman was messaging to ask for his opinion on how she should get her nails done. He had also told me openly that people at the guy for “some reason” suspect there is something going on between them.
To me, I thought for someone to disregard their husbands views was massively disrespectful to their marriage. So I calmly said to him that I can see why the husband feels uncomfortable and if it was the other way around and we were married and I met someone at the gym and all of a sudden are talking all the time and disregarding his views on it how would he feel. And by continuing after the husband had explained he wasn’t happy about it, he also was disrespecting the husbands feelings. I think he was a bit taken back at my response but then also agreed that he’s mentioned it to his friends in the pub, who had also said they wouldn’t be happy if that was their wife’s either.
Anyway long story short but it continued for a few months but then I myself started to feel uncomfortable about it, my partner goes to the gym everyday but Sunday and her name would come up on most days. A few things had happened such as I’d asked if he minded coming to spot me at the gym one of the days as I was staying with him and my gym schedule had completely changed as my gym and my gym partner lived so far away it made it difficult for me still to keep to this as I lived so far away. He was really reluctant to do so, as he said he was tired after work and the gym so I said fair enough but a few weeks later he came in jumping with joy that the gym had put on extra sessions so he was going to start doing some doubles… low and behold so was she. I was upset by it as I thought he would find the time to help me out if he cared. It may be unreasonable of me because they were friends before we got together but I did say the whole thing really made me feel uneasy and female intuition made me feel as though there was just something more too it. When I had raised that I too felt uncomfortable he would say things such as “I’m not just going to stop messaging my friend” “she’s a big part of my life”. I again just said calmly and due to past relationship experiences, that it was early on for us and if he didn’t understand why it’s making me feel uncomfortable maybe it’s best we part ways and no hard feelings as to me it was starting to become an issue in our relationship and quite honestly I wanted a relationship I felt calm and secure in.
He then said he doesn’t want our relationship to send so will tell her equally as her husband isn’t comfortable with it that they need to chill out on the messaging. He sent the message to her and she said “that’s fine”. I will add on the most part my boyfriend did reduce contact on his part, when he was on holiday they didn’t really message but after a few weeks and her continuing to message it ramped up again… she went on holiday with said husband and would be messaging my boyfriend as soon as she woke up… but at this point my boyfriend began to lie about the messages and the frequency. It then became a bigger issue as I’d found out he was lying and he said he’s done what he can and they don’t message as much anymore but then it came to light he had started deleting messages between them. And that is when I waved my flag and said I didn’t want to be in a relationship with someone who not only lie to me but also delete messages, it really broke a lot of trust between us which I vocalised. He apologised and swore it wouldn’t happen again and stupid me believed it. A few weeks after we had to go to a gym social all together and I didn’t want to be rude or hostile so I just remained friendly to everyone including the girl. We got home at the early hours of the morning and he messaged her to tell her we were home and that he’d had a good night and was so glad we had met. However following this, he began to mention her again ALOT, I was made redundant and was pretty stressed out about it but when I got home the first conversation he bought before asking if I was okay and what I as going on with was about the gym and her and I just felt like a complete idiot that had overlooked something that was never going to end. He said it was because at the gym I’d be friendly with her he’d got confused and thought everything was okay. Anyway long story short, and some deleted messages they had removed eachother from instagram and he said that he would cut contact with her going forward. He said she was no longer going to his sessions and that they no longer talk 1-1, they all have the same friendship group so talk when they are all together at events which I had no issue with. Anyway fast forward a couple of weeks and professional images came out from the gym and their gym event, low and behold there were images of the two of them training together and both in conversation (nobody else around). I raised this with him and he said it was a group discussion it just looks like it’s the two of them… anyway at this point I just felt like a complete idiot, he had a gym social and I said I was going to come as I didn’t want to end up in an issue (after they had “no contact” she would often come up to me at gym socials or get drunk and be all over my partner). We had argued about the social as the trust just was not there at all, he said I was being unreasonable because they don’t talk at all and the morning after there were photos on his phone of him her and somebody else.
I messaged the woman to ask what was going on as I clearly wasn’t getting the truth and she said it’s a misunderstanding on her part, she didn’t know contact was stopping completely.
I cannot get over the web of lies and it’s caused a HUGE wedge between me and my partner and a lot of resentment my end. Part of me feels like I’m being unfair, just need other opinions.

edit: moved to AIBU thread

OP posts:
ItGhoul · 29/01/2025 12:22

Anyway long story short

If that's what you consider to be cutting a long story short, I'd hate to see you tell a long story in full, because that was probably the longest story I've ever seen on Mumsnet.

If you're looking for advice, mine would be to end your relationship. You clearly don't think you can trust him and you don't approve of his behaviour with the married woman from the gym and you've been lied to. You've been with this man for less than a year and these sorts of issues are already occurring? That's not a healthy relationship and you're not compatible. He's treating you badly.

5128gap · 29/01/2025 11:03

Your BF is having an inappropriate relationship with a married woman. He is clearly extremely attracted to her, but because she appears to want to stay in her marriage (with him as a side line) he is making do and/or passing it off as friendship. In your shoes if the relationship with me was to continue, I'd settle for no less than zero contact and a change of gym. Because there is no way they will dial this back to an appropriate level of friendship and keep it that way. They'll either go back to current levels or escalate to physical. He may well call you controlling and refuse to cut contact (choosing her/his right to have an intense 'friendship' with her over your relationship) but that's up to him.

meh2025 · 29/01/2025 10:53

Tryingtoberreasonable · 29/01/2025 08:35

… I recently found out I’m pregnant. I already feel extremely stupid so I don’t need to be told how stupid I actually am. There were around 5 months no issues… then the last happened after I found out I was pregnant. I don’t know I am normally very head strong and don’t put up with anything from anyone but because he had made little changes each time to me it felt slightly like he did in that moment care… silly me

He's a liar and a cheat. You cannot imagine how horrifically bad you will feel when you are at home with a newborn and he's slutting around town. You know what he is, that will not change, and almost certainly he'll get even worse once he thinks you're truly dependent on him.

Your choice, but I would run a mile.

Tryingtoberreasonable · 29/01/2025 10:40

@cheddercherry sorry! I just feel a bit ashamed given writing all of that, I realised how idiotic I’ve been.

I agree I think I know really deep down what needs to be done.

OP posts:
cheddercherry · 29/01/2025 09:25

Well that’s one hell of a drip feed but I doubt will change people’s response: you need to be out of this relationship. It’s been only a year and how many dramas and lies have there been.

You’re heading for an awful time with a newborn doubting if he’s messaging/ with/ cheating with her (or the next one) OR you give him an ultimatum (but assuming he knew you were pregnant and has already ran back to her isn’t great) OR you split now and try and build a decent coparent relationship outside of being romantically involved with him.

BobbiJo · 29/01/2025 08:58

I have been with my boyfriend just over a year.

Top tip for life

If you've been with someone for one year and they've caused you to write such a massive thread in Mumsnet... They ain't worth it ..

If a partner is adding nothing but drama and stress to your life, what is the point of them? Find someone that makes life better and drama free

Naunet · 29/01/2025 08:53

So just a year in and this is already causing you stress and feeling like you have to police him, he's lied to you repeatedly about her. There is clearly something between them, and with you being pregnant, and more 'trapped' it's likely to only get worse. How will you feel with a newborn, home alone whilst he fucks off down the gym for hours with her? I'd leave, I don't see how this relationship benefits you.

Copperoliverbear · 29/01/2025 08:47

Sorry pregnant or not i would end the relationship, if he cared enough he would then try to get you back, end this friendship and join a different gym, if he didn't I'd be living alone with my baby and he could visit the baby at the weekend.

FridayNight1975 · 29/01/2025 08:36

i would end the relationship, this is the first year of the relationship, should be the happiest time of your life.

Tryingtoberreasonable · 29/01/2025 08:35

… I recently found out I’m pregnant. I already feel extremely stupid so I don’t need to be told how stupid I actually am. There were around 5 months no issues… then the last happened after I found out I was pregnant. I don’t know I am normally very head strong and don’t put up with anything from anyone but because he had made little changes each time to me it felt slightly like he did in that moment care… silly me

OP posts:
PricklyLikeCactus · 29/01/2025 08:25

If you had been together years, had a home and a family, I'd be saying he has no respect for you and you should consider ending it.

Given you've only been together a year and he's been disrespecting you, lying to you, prioritising another woman with his time and energy, and making you feel insecure for ALL of this time, why on earth haven't you told him to fuck off?

Surely it's better to be happily single than being made to feel awful by a loser like this? You might feel like she's won - let her - what a shit prize.

Imagine being with someone who makes you feel happy, secure, prioritised, a true partner who wants the best for you and wants to build a good life with you...it's not him, is it?

meh2025 · 29/01/2025 08:09

He's fucking her or trying to.

QuimCarrey · 29/01/2025 08:04

It's only been a year, he's lying to you already and making you feel uncomfortable. I'd cut my losses.

Jellycatspyjamas · 29/01/2025 08:03

He’s happy to lie to you, that would be enough for me to end it. The rest is just window dressing.

buybuysellsell · 29/01/2025 07:58

You are not being unfair. I'd end the relationship personally. I couldn't handle being the third wheel to their thrilling illicit love affair, regardless of whether it's emotional or physical.

cheddercherry · 29/01/2025 07:57

I’d also add at this point YOU are basically the other woman..he seems to see her more? He socialises more, she’s in his friend group, he shares his hobby with her and she’s the first person he thinks of and texts in the morning? Yeah, this isn’t a relationship it’s a complete mindf**k.

countesskay · 29/01/2025 07:57

Before my ex husband left me for the other woman, he dropped 'hints' like you mentioned above.
He'd say ' you might hear something about me and xxx but it's just lies etc.

He was cheating with her at least 6 months before I found out.

Yes that level of contact between any two adults would be odd, it sounds like infatuation, who has time to text all day everyday. But between a married woman and a male friend definitely odd

If something physical hasn't happened there's the chance it will because they are clearly getting closer and enjoying each other's company.

I think you should think about what boundaries you want him to put in place with her and what you're willing to do if he refuses i.e. break up

Then sit down with him for a frank chat.

cheddercherry · 29/01/2025 07:56

That was a lot to trawl through but basically I’d have left after the first “web of lies” and not have stuck about for the webs to consume me forevermore.

The issue isn’t the woman actually, it’s the fact he doesn’t see issue with his behaviour (which at the start to be honest seemed friendly enough) but more concerning he didn’t think twice about shifting into deleting messages and lying = obviously not on. Why I say it’s not her that’s the issue is because there will ALWAYS be a “her” with guys like this. If he cut her out he’d find another one. He loves the extra female attention and probably the thrill of it being “off limits”.

So yeah again, why are you bothering?