WIBTA if I told my former MIL that me and her son broke up three months ago?

In a cozy world of lingering post-breakup ties, one Redditor finds herself caught in a web of awkward family expectations. After ending a two-year relationship, she stays friends with her ex, but he’s kept their split a secret from his warm-hearted mother, despite sharing a home. Her cheerful texts, inviting the OP to a family birthday lunch, pile on the discomfort, as the ex’s refusal to come clean leaves the OP dodging messages and feeling like the bad guy.

Frustration brews as the ex ignores her pleas to tell his mom, even resorting to threats of cutting contact if she speaks up. With a blend of heartache and exasperation, the Redditor teeters on the edge of revealing the truth to preserve her bond with his mother. Reddit jumps in with fiery takes, turning this tale of tangled loyalties into a lively debate about truth and tact.

‘WIBTA if I told my former MIL that me and her son broke up three months ago?’

Me (f27) and my ex (m22) broke up three and half months ago, but we still hang out as friends. There’s a lot of feelings in the mix but we are pretty certain (especially him) that there is no going back for us. I have tried to get back together once or twice but he’s always told me no.

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We were together two and a bit years, in that time I developed a relationship with his family, especially his mom. We became close, we would text each other on occasion and be very friendly with each other.

Since me and him broke up she texted me a few times but never directly mentioned the breakup. Neither have i. Recently I found out he never actually told her. Even though they live together he says he hasn’t found the time to do it. I have asked him three times to tell her, it’s unfair on me and her that he doesn’t.

Anyways, his birthday is coming and she has texted me to invite me for the family lunch, and asking me which day would suit me better. I told him that was the last straw if he didn’t tell her I would. He promised me would. He never did.

Now she’s messaging me again to confirm which date works for me and asking if everything is ok because I have left her on read and I never done that before.. I told him he has until the end of the day to tell her or I would.

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He’s threatening to not speak to me again if I tell her we broken up, and I do feel like that’s not my conversation to have but now I’m starting to look bad in front of someone who’s only ever been kind and welcoming to me.. So my question is would I be the a**hole for telling her?.

UPDATE: wow this blew up omfg Thank you for the overwhelming support. This breakup has been incredibly hard on me. I gave him until the end of the day yesterday to tell her or I would. He called me at 1am begging me not to and to give him more time. Made him sound childish and immature

I woke up this morning, he told me he told her. then he proceeded to call me a c*nt. his mom however was an angel, apologised for putting me in an awkward position and thanked me for the honesty. I feel free from this whole situation and his mess of a life. Thank you all

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This delicate dilemma underscores the challenges of navigating family relationships after a breakup. The OP’s ex, by hiding their split from his mother, places the OP in an unfair bind, forcing her to either mislead someone she respects or risk their friendship by revealing the truth. His threat to cut contact if she speaks up reveals a manipulative streak, complicating their already fragile dynamic.

Relationship expert Dr. Susan Heitler notes, “Honesty, even when tough, fosters trust and clarity in relationships.” The OP’s urge to be truthful with her ex’s mother reflects her respect for their bond, while her ex’s secrecy risks creating confusion and hurt, especially as his mother continues to extend warm invitations.

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This situation reflects a broader issue: managing expectations in post-breakup family connections. Many struggle with how to maintain ties with a partner’s family when the relationship ends, particularly when one party avoids transparency. The ex’s reluctance to inform his mother shifts an unfair burden onto the OP, who faces the fallout of his inaction.

To resolve this, the OP could gently share the truth with the mother in a private, respectful conversation, framing it as a desire to maintain honesty. Alternatively, setting boundaries with the ex, such as limiting contact, could protect her emotional well-being while encouraging him to take responsibility. Either way, prioritizing clarity and respect can untangle this messy web.

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Here’s the input from the Reddit crowd:

The Reddit community stood firmly behind the OP, condemning her ex’s refusal to tell his mother about the breakup as immature and unfair. They viewed his manipulative threat to end their friendship as a tactic to dodge accountability, leaving the OP to navigate awkward interactions with his unsuspecting mother.

Redditors commended the OP’s patience and suggested she prioritize honesty with the mother, given her kindness, or distance herself from the ex to avoid further drama. They saw his secrecy as disrespectful to both the OP and his family, emphasizing that transparency is essential for maintaining trust in any relationship, even a platonic one.

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Sfb208 − Nta. Look, normally it would totally be his business to tell him mother, but he has had plenty of time to do so, but is too cowardly to do so, and has now put you in an uncomfortable position. His mum needs to know, if he won't, you should.

Edit, and also, it might be healthy for you to drop contact, at least for a while. He's made it clear he doesn't want to be in a relationshio with you, but doesn't have the respect for you or his family to be clear about the situation. A little break might help clear the air for a bit

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snickcave − Honestly, not speaking to him ever again sounds like your best option here. He’s too immature to tell his mom your relationship is over. He’s being a terrible friend, and handing you unacceptable ultimatums. If you care what his mother thinks, tell her the truth.

If you don’t, block him, leave her on read and let him make up a story for her (he will throw you under the bus most likely, so expect to lose your relationship with the mom in that case) But you really should not maintain a friendship with this guy, he’s selfish and immature.

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GoodMorningMorticia − If you want to oblige him: “I’m sorry to leave you on read, I’m just not sure how to handle this situation. I don’t think Ex wants me at his birthday lunch, and he insists that I not tell you anything about us or why. I think you need to talk to him because I’m just not sure how to answer other than I wont be at the lunch.”

honestly though, he sounds like he’s using you for some purpose and he either is using you as cover or wants you to “betray” him so he can blow up and have an excuse to never speak again. Don’t play that game. I’d go with:

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“I’m sorry I left you on read, I was just not sure how to handle this. Ex refuses to tell you that he broke up with me almost 4 months ago and demands that I do not tell you either. At this point, I don’t wish to betray his wishes,

but I have even less desire to be disrespectful to someone who has been so kind to me. I’m not sure what to do, but fair warning, I am not at all certain what his reaction to you knowing will be, and I can only assume he will be extremely upset with me.”. ​. edit: NTA

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almostalice64 − NTA, like...what exactly is he waiting for? He can't just hide your breakup forever.

anonysmen − NTA, I was very close to leaning on no assholes until you mentioned he said he’d never speak to you again. That’s manipulative and childish, and honestly ridiculous. You’re being put in an unjust position, and this whole concept makes no sense. Also INFO: isn’t the mother a tad suspicious as to why her son lives with her and not his wife

Electronic-Health-47 − NTA. But please distant yourself from this guy. I think you have still feelings for him. And he, not telling his mum give you hope, doesn't it?. Cut him off.. So sorry that you will lose his family, too.

Normal-Culture5125 − NTA oh no your ex won’t speak to you again oh no (!) better to stay friends with the mum she sounds more stable

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jeremyfrankly − NTA, it's a really uncomfortable position to put you in --- potentially asking you to lie as well. What's the endgame? You wind up with someone else and she invites you over and you have to pretend he's your cousin?.

If he's not comfortable telling his family you're just friends, he's probably not comfortable with you just being friends. Not that he wants to get back together, but how strong is your actual friendship? Any awkwardness if either of you were to date someone else?

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Whoisdis1909 − NTA, he had plenty time to tell her he didn't so it's all on him, he can't just pretend you are together because he doesn't wanna tell his mom

AntipodeanRabbit − NTA - take his mum for coffee or visit her and tell her f2f that you’ve broke up, the break up was his decision, there are still feelings, but he’s sure he doesn’t want a relationship with you, he didn’t want her /the family to know but it’s hard on you because you have so much respect for her.

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Add that you’re not comfortable lying to her face and covering for son and you hope she can forgive your dishonesty. Listen, your main point here is not to keep a relationship with this guy (he’s already proven himself to be comfortable with lying to his loved ones’ face - do you really want a relationship with that?),

but to not hurt his mum after all the good she’s done for you. So, treat her like an adult human and tell her the truth, even if your ex doesn’t like it. At least you’ll (hopefully!) maintain the better relationship.. Good luck, OP!

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This breakup saga dishes up a poignant reminder that honesty can untangle even the stickiest family ties. The OP’s struggle to balance loyalty to her ex with respect for his mother highlights the delicate dance of truth in post-breakup relationships. Have you ever faced a tricky situation with an ex’s family? Share your experiences and strategies below—how do you navigate honesty versus loyalty?

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