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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

DP wants his best man to be a woman

378 replies

Elliens · 10/01/2026 03:51

DP and I are due to get married in the summer, we have a 3 month old baby boy. DP hasn't confirmed a best man yet, no brothers, no male cousins he's close to. He has 4 main groups of friends, the partners of my friends, some colleagues, 2 guys he did his undergrad with and then one girl he did his masters with, she's 4 years younger than him, they have only known each other for 3/4 years. He meets up with her on his lunch break maybe once a month as they work near each other, then they maybe go out for dinner/to an event once every 6 months. I've met her, she's nice enough but I think I've met her maybe 6 times in 3.5 years, she hasn't met DS but did give a gift/card. Notably when he was doing his masters it was a group of 4 girls and 2 guys, one of the guys has moved abroad, he doesn't talk to the other 3 girls, even though his friend is still close with them.

DP has said he wants her as his "best man". He claims he doesn't feel close enough to anyone else right now and thinks she would be good.
My issue is this friendship has caused issues in the past, she's incredibly attractive, and tbh I've never really been certain on men and women being super close friends (fine as part of a wider group). When he was doing his masters I did feel a bit weird about her, they used to message all the time though that faded when they graduated.

He has friends he sees much more of, but claims he doesn't feel as close to them.

AIBU to feel uncomfortable with his choice?

OP posts:
Spoodles · 10/01/2026 12:12

carbolic · 10/01/2026 12:06

It’s one woman (not women)?? Just wondering if I’m disagreeing with an AI here 😂

she doesn’t like the friendship that’s agreed, but was tolerating it until it was proposed the female friend play a major role in her wedding. That’s not controlling behaviour?

as for the fact OP has gone, I suspect she posted for support and not surprised she has gone, having had a significant proportion of posters tell her she is jealous and controlling for not wanting this friend to play a big role in her wedding. Which rightly or wrongly will definitely be a talking point on the day itself.

You think I'm AI? That's daft.

Your arguments are illogical. As someone who had a best women at her own wedding no one gave a shit because it's really not that noteworthy.

PearPartridge · 10/01/2026 12:14

The reason the groom normally has a Best Man and not a Best Woman, is because the Bride is supposed to be the most important and special woman to the Groom. If that's not even the case on the wedding day, it doesn't say much for the rest of the marriage.

cinquanta · 10/01/2026 12:14

There’s some very insecure women on here.

MumWifeOther · 10/01/2026 12:16

Elliens · 10/01/2026 03:51

DP and I are due to get married in the summer, we have a 3 month old baby boy. DP hasn't confirmed a best man yet, no brothers, no male cousins he's close to. He has 4 main groups of friends, the partners of my friends, some colleagues, 2 guys he did his undergrad with and then one girl he did his masters with, she's 4 years younger than him, they have only known each other for 3/4 years. He meets up with her on his lunch break maybe once a month as they work near each other, then they maybe go out for dinner/to an event once every 6 months. I've met her, she's nice enough but I think I've met her maybe 6 times in 3.5 years, she hasn't met DS but did give a gift/card. Notably when he was doing his masters it was a group of 4 girls and 2 guys, one of the guys has moved abroad, he doesn't talk to the other 3 girls, even though his friend is still close with them.

DP has said he wants her as his "best man". He claims he doesn't feel close enough to anyone else right now and thinks she would be good.
My issue is this friendship has caused issues in the past, she's incredibly attractive, and tbh I've never really been certain on men and women being super close friends (fine as part of a wider group). When he was doing his masters I did feel a bit weird about her, they used to message all the time though that faded when they graduated.

He has friends he sees much more of, but claims he doesn't feel as close to them.

AIBU to feel uncomfortable with his choice?

Set your boundaries now. If he can’t put his future wife’s feelings ahead of his / hers now, you don’t marry him.

TheNinny · 10/01/2026 12:17

Stompingupthemountain · 10/01/2026 12:02

You do realise though that this is all entirely your problem and not something you can reasonably expect anyone - including your spouse - to pander to?

Yes, but i’d hope my spouse would accommodate my feelings slightly on my wedding day. If it was a genuine lifelong friendship and perhaps not a crush situation i’d be more amenable.

carbolic · 10/01/2026 12:19

Stompingupthemountain · 10/01/2026 12:06

Where’s the unacceptable behaviour? The only person behaving unreasonably, by her own description of her behaviour, is OP. And “cool girl” absolutely is a silly childish insult in the same ilk as Karen. Perhaps you could reflect on that. It also suggests that anyone who says it has just run out of actual points to make (they rarely have an argument in the first place except “men and women being friends is bad”) and have resorted to name calling because their own insecurities get in the way of accepting other people have different outlooks and opinions, like a grown up. So in summary, grow up, I guess.

I’ve run out of points and yet you are telling me to grow up 😂I had forgotten what an unbelievably aggressive place this is.

I dont think the DP is reasonable for wanting this woman as his best man, given OP’s discomfort about, and distance from, the friendship. I hope that’s clear? And I don’t feel on her wedding day she should be forced to tolerate it.

Hallywally · 10/01/2026 12:19

That’s fine as long as you can have a man of honour and some bridesmen?

Spoodles · 10/01/2026 12:20

MumWifeOther · 10/01/2026 12:16

Set your boundaries now. If he can’t put his future wife’s feelings ahead of his / hers now, you don’t marry him.

This sounds like a line from a controlling spouse handbook.

If you won't do as I tell you and put me and my feelings above your own then you're in the wrong...

Brefugee · 10/01/2026 12:22

Elliens · 10/01/2026 04:16

Honestly, yeah at first it was that she was female and attractive, I think she also drew out a lot of my own insecurities which I have worked on since, but things like being super cultured, well read used to make really anxious as I'm from a working class background.
It also evolved as I felt he messaged her loads, it was mainly about mutual interests or their masters work but I felt like he enjoyed her company more than mine for a bit. He was reassuring and there were definitely times where I was unreasonable just because she is so attractive! I know that is really awful, but I was younger then.

Now my issues are more in that I just don't know her, if she is really his closest friend why have I met her so few times? and some remaining sensitivities from the past.

why do you have to know her? sounds controlling to me.

You are jealous, you need to work on that before you marry him and start trying to stop him seeing his friend who happens to be a woman.

FWIW: my DHs bestie is a woman, they meet up for dinner, go to gigs, etc etc. I am not jealous anyway generally because that's not me, but even if i was - what does it harm anyone? and if he is having an affair, or wants to sleep with her me being jealous won't stop him. So. I behave like a grown-up and so does he.

Stompingupthemountain · 10/01/2026 12:24

carbolic · 10/01/2026 12:19

I’ve run out of points and yet you are telling me to grow up 😂I had forgotten what an unbelievably aggressive place this is.

I dont think the DP is reasonable for wanting this woman as his best man, given OP’s discomfort about, and distance from, the friendship. I hope that’s clear? And I don’t feel on her wedding day she should be forced to tolerate it.

Anyone who says “cool girl” and expects to be taken seriously needs to grow up, yes.

Ok, thanks for clarifying. I disagree. The OP is the unreasonable one here because her discomfort with the friendship is entirely based in her own insecurities. Not all feelings are valid, and ones that stem from jealousy certainly aren’t. We don’t know that her distance from the friendship isn’t of her own making because she has an irrational dislike of this woman. But if she can’t accept her partner’s friendships she shouldn’t be marrying him (and I think he could do better than someone with such low self esteem and internalised misogyny).

outerspacepotato · 10/01/2026 12:25

So he wants the person he's closest to standing up to support him to be a woman he's only known 3 years and that you've argued over and that he knows you are uncomfortable with.

This day is about both of you and his choice seems to be a bit of a dig at you, making you feel insecure and uncomfortable at your own wedding, while including this woman at one of the most important days of his life.

I've never been to a wedding where the best man, who could be a woman, hasn't been a close relative or friend of many years and it's usually someone who knows the spouse because they're all friends.

It shouldn't be someone who's been the cause of dissension between the couple. It shouldn't be someone you're uncomfortable with on your wedding day. I think that will always rankle.

If I felt like you do, I wouldn't marry him. It doesn't matter why you're uncomfortable, but you feel threatened by their relationship. Whether it's your own insecurities or something you're picking up on, you shouldn't be doing something you're ambivalent about. You're all in, or you're out. Don't stand at the altar resentful of the man you're marrying's relationship with another woman to the point you two have fought over it.

usedtobeaylis · 10/01/2026 12:25

Has anyone been in a relationship where their boyfriend was jealous and controlling and wore you down so much that you ended your friendships? I have and this sounds no different.

We also had arguments about those friendships and those arguments were about the existence of the friendships, not anything I or they had done.

Did I really do the right thing in ending those friendships? Did I fuck. The right thing would have been to leave that dickhead earlier.

Greenmouldycheese · 10/01/2026 12:26

I think you are in the wrong here. So what if she's a woman? She's his friend and whk has chosen to be his best person on his wedding day. Your insecurities about her being attractive shoukd be put aside.

Spoodles · 10/01/2026 12:26

usedtobeaylis · 10/01/2026 12:25

Has anyone been in a relationship where their boyfriend was jealous and controlling and wore you down so much that you ended your friendships? I have and this sounds no different.

We also had arguments about those friendships and those arguments were about the existence of the friendships, not anything I or they had done.

Did I really do the right thing in ending those friendships? Did I fuck. The right thing would have been to leave that dickhead earlier.

Edited

I'm sorry you found yourself in this type of relationship but you're completely right the parallels are very similar.

Stompingupthemountain · 10/01/2026 12:27

usedtobeaylis · 10/01/2026 12:25

Has anyone been in a relationship where their boyfriend was jealous and controlling and wore you down so much that you ended your friendships? I have and this sounds no different.

We also had arguments about those friendships and those arguments were about the existence of the friendships, not anything I or they had done.

Did I really do the right thing in ending those friendships? Did I fuck. The right thing would have been to leave that dickhead earlier.

Edited

Yes, I have, and it sounds exactly the same! The argument always started with them claiming they were insecure or found it disrespectful for me to talk to or hang out with men (in this case, my work colleagues). I told him to fuck off and dumped him.

NNforthispost · 10/01/2026 12:27

If it’s caused arguments in the past then he is being insensitive. Having said that we’re the arguments more about your own insecurities? In this position I’d be making an effort to get to know her and inviting her over for dinner, and meeting her for coffees. To be fair I’d have done that when he was doing his post grad, just to see what her general vibe was. Only you know how much you actually trust him though.

Stompingupthemountain · 10/01/2026 12:29

outerspacepotato · 10/01/2026 12:25

So he wants the person he's closest to standing up to support him to be a woman he's only known 3 years and that you've argued over and that he knows you are uncomfortable with.

This day is about both of you and his choice seems to be a bit of a dig at you, making you feel insecure and uncomfortable at your own wedding, while including this woman at one of the most important days of his life.

I've never been to a wedding where the best man, who could be a woman, hasn't been a close relative or friend of many years and it's usually someone who knows the spouse because they're all friends.

It shouldn't be someone who's been the cause of dissension between the couple. It shouldn't be someone you're uncomfortable with on your wedding day. I think that will always rankle.

If I felt like you do, I wouldn't marry him. It doesn't matter why you're uncomfortable, but you feel threatened by their relationship. Whether it's your own insecurities or something you're picking up on, you shouldn't be doing something you're ambivalent about. You're all in, or you're out. Don't stand at the altar resentful of the man you're marrying's relationship with another woman to the point you two have fought over it.

Not everyone has close relatives or keeps the same friends from childhood.

usedtobeaylis · 10/01/2026 12:37

Spoodles · 10/01/2026 12:26

I'm sorry you found yourself in this type of relationship but you're completely right the parallels are very similar.

Thank you. My mum was in the same situation with my step dad and that wasn't just friendships with men, that was ALL her friendships. Now I just would not tolerate the slightest hint of irrational jealousy like that, it only has one outcome.

Unless there are indications of something inappropriate that the OP has left out, which would be strange as it would be relevant - then there's no difference. She's trying to control her partner's friendships based on her own jealousy.

Goodadvice1980 · 10/01/2026 12:39

I think another question is OP, if he had a male best man he’d only known 3-4 years would that bother you?

Climbingrosexx · 10/01/2026 12:40

Stompingupthemountain · 10/01/2026 12:10

People who disagree with opposite sex friendships are welcome to impose that belief on themselves but they really shouldn’t be dating or marrying people who have opposite sex friends and don’t think it’s an issue, then trying to impose their opinions on their partner.

That is fair enough, I am fortunate that dh and I share the same values, neither of us feels controlled by the other. I trust him which is just as well as he spends a lot of time due to his work with other women 1 to 1.

Perhaps OP needs to rethink if this relationship is a good match although I am never in the LTB club on mumsnet as that's too easy to say when it's not your relationship and your future at stake

LeafyMcLeafFace · 10/01/2026 12:42

carbolic · 10/01/2026 11:40

In your opinion maybe, it certainly isn’t in mine.

It’s the suggestion that women should accept frankly unacceptable behaviour from men in the name of not being paranoid or hysterical.

so maybe you can reflect on that before attacking me. I’d never dream of using those other terms.

I don’t think I attacked you did I?

The point is that if you have something of value to say, you should be able to express that without trying to silence other women with well worn strategies.

The cool girl trope comes out every time someone does not want to control or limit their romantic partner’s contact or relationships with other women. It’s ridiculous. There is absolutely nothing wrong with that perspective and it’s incredibly healthy. A person can feel however they want but they shouldn’t make their feelings the responsibility of someone else.

Brefugee · 10/01/2026 12:43

MyLimeGuide · 10/01/2026 08:58

I think you need to tell him no. This day should be about you two, why would he want to do that? He sounds a bit selfish and immature IMO

one of them sounds selfish and immature but it isn't the prospective groom.

But OP - honestly, if you don't trust him, don't marry him.

AwfullyGood · 10/01/2026 12:43

You shouldn't marry a man you don't trust.

Persinally, I think you are being ridiculously immature & insecure.

LeafyMcLeafFace · 10/01/2026 12:44

Stompingupthemountain · 10/01/2026 12:10

People who disagree with opposite sex friendships are welcome to impose that belief on themselves but they really shouldn’t be dating or marrying people who have opposite sex friends and don’t think it’s an issue, then trying to impose their opinions on their partner.

This is a great point

Climbingrosexx · 10/01/2026 12:47

cinquanta · 10/01/2026 12:14

There’s some very insecure women on here.

I also think there must be many women on here who have never had their lives / family ripped apart by their dhs friendship with another woman. It's easy to call women insecure and jealous if you have never had to face that reality

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