Wife teams up with petty MIL to make cheating husband fend for himself after discovering his infidelity: 'His mistress doesn't even want him'

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Ben Weiss • Writer and Editor
Mar 21, 2025 4:00 PM EDT

It's not every day that a woman teams up with her mother-in-law to get collective revenge on her husband. The classic expectation, the one you're likely to see in movies and on television, is the mother-in-law taking her son's side no matter what. Perhaps we expect a level of delusion on her part and a refusal to admit the truth that maybe her son is not the guy he said he was.

Well, it's time to debunk this idea that all mothers take their kids' side, especially when their kids are fully grown men who can think and act for themselves. Keep scrolling below for this tale of family petty revenge!

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  • This woman discovered that her husband had been cheating on her not long after she agreed to let her in-laws move in. She had a strong relationship with them, and her FIL was unhealthy. We have to acknowledge her decency for continuing to let them stay with her after discovering her husband's affair. Not everyone would be that generous.

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    So I posted about my cheating husband in another sub back in September and/or October. I was not in a good headspace then but I have since healed and looking forward to my new life! Just to be
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    clear, my in laws have treated me better than my own parents ever did. They are the best people and I love them very much. On to the petty revenge!
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    Around this time last year my MIL and FIL came to me and my husband and told us their house was getting foreclosed on (The reasons for this are for a whole other post). We said of course they can move in! We wouldn't
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    have it any other way! My FIL was diagnosed with a disease called idiopathic pulmonary fibrosis around the same time last year. He was given 2-5 years.
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    So again there was no question as to them moving in except when. Over time they finally decided to move in just before (US) Thanksgiving in November. I
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    found out my soon to be ex husband was cheating on me in early September. I was then asked if his parents could still move in and I said of course! I'm
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    not going to punish them because he can't keep it in his pants! They are completely on my side and will engage in polite conversation with him but that's about it.
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    Here I should add that yes he still lives in the same house at the moment because his name is on the deed for the moment, we
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    have an agreement for our divorce settlement, he refuses to leave because he will be homeless cause HIS MISTRESS DOESN'T EVEN WANT HIM!!
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    Also our daughter is a tic and we have to transition her slowly otherwise risk a major meltdown that she might not recover from. A less than idyllic situation but I don't mind.
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  • After making this discovery, the unit continued to live together as a family because, as the woman will reveal, they wanted to make the transition an easier one for their daughter (again, we can't help but marvel at this lady's selflessness). That being said, after her husband deceived his own mother, the two women of the household had enough of his foolishness and refused to cook for him any longer, forcing him to fend for himself.

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    One thing that really set my MIL off was one day, a Tuesday, my stbxh asked his mom for $20. He told her that he needed to put gas in the car. We only have one vehicle between him and me.
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    From that Tuesday evening that he borrowed the money until that Thursday when he got paid he didn't take the car and the gas was almost on E the entire time.
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    That Wednesday he went out with his mistress all day. That Thursday evening I mentioned the gas situation to my MIL.
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    That's when we figured out he lied to her about needing money for gas just so he could go out with his mistress!!
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    One evening my MIL and I were trying to figure out something for dinner. My stbxh is a very picky eater so I have learned over the past 15 years to only make what he will eat. So while we were thinking of a meal to make I mentioned that he wouldn't eat it.
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    My golden angel of a MIL said, I don't care. I'm mad at him so he can fend for himself! Ever since then we try to come up with meals we know he won't eat just so he can fend for himself
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    knowing full well he'll just starve or go out and get fast food! It's our small, petty way of getting revenge on him!
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    Honestly now? I really don't care enough about him to care about petty revenge anymore but I love it for my MIL!
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    Oh, and since September my best revenge is that I've lost 60 pounds and am almost half way to my goal weight! THAT is the best revenge! Have a wonderful day and stay petty my fellow potatoes!
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    mnemonicprincess. Congrats on your weigh loss OP. I'm glad your MIL and FIL are on your side otherwise living with them would be h I. Hopefully you can get your ex out of the house soon and start living your best life. Here's wishing you all the joy and happiness.
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    Careless-Image-8... He's just a roommate at this point. Don't cook or clean for him. Don't do his laundry. Tell MIL not to do it either. He can go to his mistress.
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    Imaginary_Bike21... Good for you and it is great that you have such wonderful in-laws.
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family drama cheating husband petty revenge family feud petty entitled people karma cheating family entitled people
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