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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

Colleagues messed up relationship

30 replies

Disturbedisanunderstatement · 07/12/2025 20:59

Sorry if this is a long one but looking for perspectives. I’m not in the UK so hopefully this thread won’t be found by anyone who recognizes this situation.
About a year and a half ago it came out in the office that two colleagues were having an affair. Some of the colleagues were in a tight group, going on vacations together, nights out, the lot. The man,called Tim on this thread (living with then partner) was at the center of this group was ostracized from the group. The woman (at the time married) was a younger, newer colleague, and nobody would touch her with a barge pole after this came out.
While I agree cheating is wrong, I was not bothered enough to get involved. I tried to remain neutral and pleasant to everyone. However, I did realize over time that the female colleague, let’s call her Liz, has some issues. She often has crying fits in the office, talks a lot about having an eating disorder at inappropriate moments, like while people are eating lunch, gets very personal with people very quickly. Something giving me crazy vibes, but since I was one of the only people still talking to her in the office, she kind of latches onto me a bit.
She has also told me she and Tim, now boyfriend (her husband divorced her and the two colleagues now live together) like to go swinging and are into some pretty weird sex stuff. Again I’ve just put this down to different strokes for different folks, not my business kind of stuff.
Fast forward to this weekend. It was the work Christmas party until around midnight, and then a load of us went on to a club, which stays open to around 8am. It’s quite common for this to happen because it’s a work hard play hard kind of environment and leadership usually hand someone a load of cash for people to take taxis and buy drinks.
At some point in the night I bumped into Liz in the line for the toilet. She introduced me to a woman who I then realized had her hand in Liz’s nickers. Liz is mid twenties. This woman looked much older and I asked how old she was and she replied 55, but I think she appeared much older. I don’t want to rip into her looks but she was not attractive and Liz is actually a very physically attractive woman. When the cubicles became free I ended up in the one next to them. They went in together and I could hear sexual moans coming from them. It actually distracted me from being able to pee so I heard enough to know what was going on.
I then went back to the dance floor and Tim was there, so I told Tim what was happening, thinking she is clearly too drunk/being taken advantage of and he needed to go help her. Instead he told me that he had encouraged her to go with this woman. I was like but have you actually met this person because they are super creepy and I didn’t get a good feeling. He just shrugged.
Later in the night I encountered her stood on a chair being groped by a load of strangers and this time I didn’t say anything. The next time I heard from someone else she had taken a taxi back with some random guy, and they also called it out to Tim who just again shrugged it off and said he was going to join them later.

So here’s the Aibu:

AIBU: Let swingers be swingers. If this is their kink it’s none of my business and I just need to pretend this night never happened.

AINBU: This is wrong because

  • Fine swing but don’t make it a spectacle in front of your colleagues and make them listen in the next cubicle
  • I should be worried for Liz because she’s in a relationship with an older man and probably has mental health issues and it looks like he’s exploiting her to fulfill his own weird sexual fantasies. Tim has been openly disrespectful to Liz in other ways around the office so I do think he holds a lot of control in the relationship.
  • I should be worried for Tim because his gf is absolutely insane and he’s lost all his friends and social life for this nut job.
On the one hand I just want to forget but on the other hand I want to get this off my chest and get opinions without discussing this with others at work about it. One colleague has already rang me today asking me what I think about it all and im trying to just move my way back into the neutral zone. However I don’t know how I can look Liz or Tim in the eyes again after this.
OP posts:
Dollymylove · 08/12/2025 08:04

They are adults just let them get on with it. Im no prude but they sound like the kind of people to give a very wide berth

Boobyslims · 08/12/2025 10:40

Putting it crudely she is an absolute car crash. I don’t buy it when it’s suggested this is some form of liberated choice. This is so screwed up and it’s not good for her and it says little good about Tim.

I have a friend I didn’t know for too long, (I was new to the country and we clicked) she was very aware of her attractiveness and used it hard. It was her power. It wad a terrible blessing as she floundered when she was well into her 40s, four children in tow and a very angry ex. She was obsessed with being controversial sexually like it was her USP. There was no saving her from herself but her life was built on the fact most men fancied her and she put all her eggs into that effort.

Your colleagues’ problem is so much bigger than Tim. There will be another Tim if he fucks off.

I don’t think there’s much you can do to help.

LaurieFairyCake · 08/12/2025 21:57

Liz sounds really really vulnerable but I hate Tim so much, he sounds sexually coercive and controlling. He is using her to fulfill his own sexual fantasies in some weird sub/dom relationship.

frankly I’d be gathering evidence and raising a grievance if he’s disrespectful to her in the office, having you view that is sexual harassment. A work night out is still WORK so I’d be raising it with HR.

Honestly I want to beat the shit out of him. If you’re getting a posse together count me in 👌

Bikergran · 08/12/2025 22:01

LiftAndLetLift · 07/12/2025 21:13

I think you need to stop socialising at all with these colleagues.

Why did you even stay there? Why are you still working with these revolting people? I'd have left and gone home for a shower with some disinfectant......🤮

Tigerbalmshark · 08/12/2025 22:14

LiftAndLetLift · 07/12/2025 21:13

I think you need to stop socialising at all with these colleagues.

First post nails it.

Longer version - honestly it is probably 50% option 2 and 50% option 3, but either way it is 100% a fucking car crash and there is no way for you to intervene on behalf of either of them without this blowing up in your face. Keep your fingers crossed that one of them gets sacked and this moves out of your workplace.

Sounds very like DH’s early 00s dotcom startup workplace, and his “Liz” (who ironically was actually called Elizabeth) went totally off the rails and became a reincarnated Hindu goddess in Arizona (she had no links to India or America).

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