Woman knows her ex-boyfriend had been cheating on her for months, waits for the perfect moment to reveal it to his new girlfriend: 'He had been telling her we were just roommates'

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Ben Weiss • Writer and Editor
Jan 28, 2026 2:00 PM EST

Knowledge is power, folks. This applies to everything including discoveries you might make about your partner.

This woman learned that her husband had been cheating on her with another woman for quite some time now. Rather than confront him directly as most people would do, she decided to quietly wait until the perfect moment arose for her to reveal exactly what she knew. 

Based on her account of the final months of their relationship, it's clear that things were going sour already. When she told her boyfriend that she planned to move out when their lease ends in March, he admitted to feeling totally "blindsided." She didn't say anything about the woman with whom he was having an affair, so he thought he had leverage here. Despite the fact that she had suggested staying roommates with him until March, he told he wanted her gone by the end of the month.

She proceeded to make other arrangements, and not long after she moved out, she finally met his new girlfriend. She moved into the apartment practically immediately after the author left. Despite her ex's insistence that there was not any overlap, the author knew otherwise.

When she ran into the new girlfriend, she told her the truth. It turns out that the girlfriend was never aware that the author had been in a relationship with her boyfriend. She simply thought they were roommates this whole times, and that the author was not comfortable with him having her over to their place. Well, you can imagine how the new girlfriend responded to that revelation!

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  • While we believe that honesty is the best policy, it's hard not to admire how the author handled this situation. Sure, she probably should have confronted her boyfriend about his cheating from the get-go. Still, it sounds like both parties in this relationship are wildly immature. At least the author got to have some form of closure in that final confrontation with the new girlfriend. Again, we don't necessarily condone the petty behavior, but it is fun to enjoy from a distance as an objective third-party viewer.

  • A couple argues in the kitchen.
    via Vitaly Gariev

    Image is representative only and does not depict the actual subjects of the story.

  • "[Am I wrong] for using my now ex after I found out he was cheating?"

    I found out the guy I was living with was cheating on me last June. It hurt but I couldn't afford to move out.
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  • So I swallowed my pride and let it continue. I slowly started to notice that my life was actually better.
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  • I didn't act suspicious of him at all. He got bolder and started spending nights and even weekends away.
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  • Our bedroom went d d when I stopped initiating. Honestly fine by me. He was fine on bed but I've had better.
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  • Got tested. I'm fine. I stopped spending money on any extras. I continued to do the shopping for the house and I used his half to top up the groceries I liked.
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  • I still mad sure there was good food for him in the fridge and pantry. I stopped covering small stuff like his dry cleaning.
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  • I sold my car and used started using his since he hardly used it. I put all my money into a seperate account.
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  • We never really mingled our money. We only had one joint account to pay bills. It took seven months but I saved up almost $20,000 including the money from my car.
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  • He talked to me just after the new year about the lease in March. I was honest and told him that I was leaving him but that I would stay until March as a roommate if it would help him out.
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  • He got very upset and said I blindsided him. I said it should be easy for him to find a roommate for our apartment.
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  • It is pretty cheap and we'll located in our city. He said that he wants me out at the end of January and he will pay February by himself if I let him keep the damage deposit.
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  • I agreed. I moved in with my sister temporarily. He also asked for his car keys back.
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  • His side piece moved in almost immediately. Whatever. I ran into them at the farmers market whet I work on the weekends.
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  • I introduced myself to her and said she must be Maggie. He asked how I knew her name.
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  • I was honest and said I had known about her for six months or so. Now I'm hearing from a few mutuals that I embarrassed him and threw a wrench in their relationship.
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  • He had been telling her we were just roommates and that I was uncomfortable with him bringing women into the apartment.
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  • That is absof nglutely true. I would have been very uncomfortable. Anyway he started doing the math and figured out how I funded my exit.
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  • He said if I knew I should have confronted him so we could have ended last year.
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  • I told him to go s in his hat. Was I wrong for handling things the way I did?
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  • A couple argues in the kitchen.
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    Image is representative only and does not depict the actual subjects of the story.

  • nilsinleneed you're a great sister.
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  • Advanced_Turnover544 Original Poster's Reply Thank you but so is she.
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  • Sad-Mind-3053 NTA. You were smart and did well, as a guy that hate cheating I'll say well played. Hope everything turns out well for you and the next guy you meet is a faithful decent one
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  • Advanced_Turnover544 Original Poster's Reply I'm in no hurry.
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  • Carnal_Merit_1224 NTA You played it exactly how you were supposed to. Very strategic. He's just mad he was five steps behind you when he thought he was two steps ahead. Cheaters never prosper.
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  • Advanced_Turnover544 Original Poster's Reply Thanks. Property management knows I'm out. I documented the apartment before I left too.
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  • Upset couple at home arguing on the couch.
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    Image is representative only and does not depict the actual subjects of the story.

  • Mysterious_Light1231 You go girl!! He played around and go found out and as a lovely parting shot let her know she was NTA the side piece
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  • katie-kaboom >I embarrassed him and threw a wrench in their relationship. Aww, the poor darling! So sad, to be embarrassed by your new girlfriend finding out you were cheating on your old girlfriend and spoiling the end of their relationship for her! Anyway NTA, find better friends.
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  • FriendlyMum NTA and soooo he deliberately bought her to the market to "accidentally" run into you for an adrenaline kick. (Mainly because he's been feeding off adrenaline from cheating on you this whole time and now it's gone and the fun mistress is now a daily doldrum.....) and instead you turned it all on his head and he realised he wasn't in control this whole time... you were. Hilarious. Beautiful revenge, revenge is best served by living your best life!
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