Woman Forces Her Fiancé Into an Open Relationship, Then Implodes When Her Friend Flirts With Him

We all know that moment when a friend shares supposedly happy news, but your gut instantly tells you something is terribly wrong. For one 25-year-old, a neighbor’s engagement announcement quickly devolved into a masterclass in emotional manipulation. The bride-to-be hadn’t just said ‘yes’ to her partner of five years—she had attached a massive, relationship-altering condition to her acceptance.

While open relationships work beautifully for many consenting adults, this situation looked a lot more like an ultimatum. The groom, who had historically been strictly monogamous, found himself backed into a corner just moments after getting down on one knee. What followed was a messy display of one-sided rules, jealousy, and a wildly unexpected plot twist that left the bride storming out of her own home.

Curious how this polyamory drama all unfolded? The full story is right below.

Woman Forces Her Fiancé Into an Open Relationship, Then Implodes When Her Friend Flirts With Him

AITAH for flirting with my friend's fiancé while she was in the room?

Advertisement

Setting the scene in what should be a joyous milestone, the narrator quickly realized this wasn't a standard happily-ever-after.

I (25 Male) have a friend (29 Female) who recently told me her fiancé (24 Male) finally proposed to her during their 5-year dating anniversary date. She said yes. I...

I thought the engagement was kinda weird, because during a recent convo with her she had expressed how she was slightly unhappy with the monogamy of their current relationship. She...

Advertisement

She then let me know that as a condition of her accepting the proposal, she told him she'd only stay with him if he let her sleep with other people....

He I guess agreed, but I know that it probably wasn't something he was actually happy with given prior conversations I have had with him on the topic of monogamy....

Advertisement

I am trying to be a more open-minded person, but something about poly relationships has always made me feel a little on edge. I guess if the open relationship is...

I also know that she is the sort of person that gets jealous easily. I cannot imagine her ever being okay with her fiancé sleeping with someone besides her (tea:...

Advertisement

The thing that stuck out to me was the fact that they were being obviously lovey-dovey (NOT strictly sex, which was her proposed boundaries for the open relationship). Again, I...

The tension finally snapped. What began as quiet observation turned into a deeply uncomfortable front-row seat to her psychological games.

Here's where I started getting mad: she started involving me in her bullshit. About 2 weeks after the proposal I was hanging out with her and fiancé and she WOULD...

Advertisement

We've known each other for about a year, and over that year I have never once expressed interest in her. I also found it insulting that she was flirting with...

I could literally see the pain in his eyes. So I did the only thing I could think of: ignored her advances and flirted with her man. It was like...

Advertisement

She ended up storming off leaving both of us, at which time I politely excused myself and fled home. Later, she sent me a series of pissed-off texts, telling me...

I reminded her that they had an open relationship, and while I was bisexual it's more like a 70/30 split in favor of men. She ended up blocking me. Tbh...

Advertisement

I am starting to get annoyed tho because a lot of people in our mutual friend group seem to be taking her side and implying I crossed some sort of...

I was already planning on putting distance between myself and her simply because of how often I felt like she invalidated my gender, but this just fast-forwarded the friendship ending....

Advertisement

Watching the bride demand an open relationship right after her partner proposed perfectly illustrates the dangers of one-sided ultimatums. When looking at the bride’s behavior, it is clear she is demanding what relationship experts call polyamory under duress. When a monogamous person agrees to an open relationship under the threat of abandonment, the agreement isn’t truly consensual because it comes with a threat to enforce the desired outcome.

The fiancé is likely experiencing profound emotional whiplash, trapped between his love for his partner and the painful reality of her dating other people. Meanwhile, the bride’s reaction to the narrator flirting with her fiancé exposes a classic double standard. She wants the freedom of non-monogamy without doing the emotional labor required to handle her own jealousy.

If she genuinely wants this arrangement to survive, she needs to pause her outside dates and attend couples counseling. As for the narrator, the most practical step is to maintain firm boundaries and step away from this toxic triangle.

Community Opinions

Reddit came in hot—nearly unanimous in their support for the narrator, with many urging him to help the fiancé escape the one-sided arrangement.

u/Past-Anything9789 NTA - If I were you I would be stealing that fiance out from under her. Ethical polyamory is one thing, what she's doing is emotional blackmail and rubbing...

u/IntheShredder_86 NTA. She wants an "open relationship" (often mistaken for poly) but only on her side. She is trying to control him and F whomever she wants. She's incredibly cruel...

Advertisement

u/Ireneu_Giles
Nah NTA. She can dish it out but can't take it lol. Classic.

u/hornyknuckles NTA. You'd be doing the fiancé a favor if you encouraged him to break up with her to get some more experience and find someone who loves him. NOTE:...

Advertisement

u/Equivalent_Lemon_319 ESH Okay so she obviously sucks and you already know why. All you really accomplished was stirring the pot. You are the company you keep, perhaps since you were...

u/Lovely_Spacechild The fact that this is his first experience with sexual romance and this is what he’s getting is so incredibly sad and damaging imo. NTA, but maybe YTA for...

Advertisement

u/wishingforarainyday
NTA and I hope he walks away from her. Yikes.

u/Clips1999
Had to stop reading. Can I change servers or something.

Advertisement

u/prince_ess1
NTAH
Rescue this poor guy from that narcissist.
Updateme

u/Wide-Panda-7130
NTA but stir the pot and hook up with her fiancé for the plot.

Advertisement

u/momadance My only advice is, this isn't your relationship. Your feelings about them having it open is none of your business. Your friend is the one who has to deal...

u/Kindly-Push-3460
some people need to have what they're doing mirrored back at them so they understand what they're doing is wrong.

Advertisement

u/SaveFileCorrupt
NTA. She's a cake eater and deserves the worst. Hope her fiance runs.

u/MaryinTexas
Plan B would have been a better option especially since the guy is already dealing with a committed-but not committed GF …what’s done is none …move on

Advertisement

u/Virtual-Tutor7404
NTA but I have enough crazy in my own life to be swimming in that crazy.

And a few reminded everyone that while the petty revenge was satisfying, it's best to walk away before getting completely covered in their mess.

Watching a friend’s relationship implode from the sidelines is never easy, especially when manipulation is so clearly at play. While the narrator’s method of proving a point was definitely chaotic, it effectively held up a mirror to the bride’s blatant hypocrisy.

Do you think the narrator was right to give her a taste of her own medicine, or did they cross a line by getting involved? And how would you handle a friend who uses an engagement as leverage? Share your hot take below!

WHAT DO YOU THINK OF THIS STORY?
Loading poll…