AITA For Kicking My Roommate Out After He Cheated With My Girlfriend and Used My Own Money for Rent?

We all know that moment when a gut feeling starts as a whisper and grows into a roar. For one 27-year-old man, the signs were all there: a roommate who was always 'job hunting' but never missed rent, and a girlfriend who suddenly needed extra cash despite no change in her lifestyle. He wanted to trust the people closest to him, but the coincidences were becoming impossible to ignore.

What started as a suspicious Venmo notification quickly spiraled into a late-night confrontation that shattered his living situation and his relationship. He thought he was helping a friend and supporting a partner, but he soon discovered he was actually funding his own betrayal. Curious how it all unfolded? The full story is right below.

AITA For Kicking My Roommate Out After He Cheated With My Girlfriend and Used My Own Money for Rent?

AITAH For kicking my roommate out for cheating with my GF and taking money from her.?

The narrator sets the scene of a stable, if slightly questionable, domestic partnership built on basic trust.

I am a 27-year-old male living with my jobless roommate, we'll call him John, who is 25. We split the rent. He claims he buys and sells on eBay, but...

The thing is, anytime my girlfriend, who is 27 and lives with her parents, can't hang out that day, my roommate can't hang either. It was a little suspicious, but...

A single digital ping acts as the first crack in a facade that had been carefully maintained for months.

One day I'm just in the kitchen and my roommate's phone is on the table. A notification shows up from Venmo: a $700 payment from a Sarah—my girlfriend's name. Why...

Later, I'm hanging with my co-workers and I come home later than I wanted, but then I find my girlfriend's car there. Why? She would've texted if she was coming...

The betrayal shifts from emotional to financial as the narrator realizes his kindness was being weaponized against him.

I yelled, 'What the hell, Sarah!?! ' She just said, 'I'm sorry, I just... ' Long story short, she's been trying to help John pay his share of the rent....

John told me, 'You can't kick your own friend out. He has nowhere to go and he's broke. ' He kept saying, 'Dude, I'm gonna be on the street. '...

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I haven't talked to them in a week and have declined all calls from them.

The feeling of being ‘double-crossed’ by a partner and a friend simultaneously is one of the most acute forms of social trauma. In this case, the betrayal is compounded by financial exploitation. By taking money from the narrator to pay the roommate’s rent, the girlfriend created a circular flow of the narrator’s own funds to support the man who was actively deceiving him. This dynamic, often referred to as financial infidelity, can be just as damaging as physical cheating because it violates the foundational trust of shared resources.

According to Dr. Diane Grande, Ph.D., betrayal by a close friend and a romantic partner leads to a ‘double loss’ of support systems. When the narrator’s roommate argued that he couldn’t be kicked out because he was broke, he was attempting to use emotional blackmail to avoid the consequences of his actions. However, experts generally agree that boundaries are essential for recovery. The narrator’s decision to sever ties is a standard psychological recommendation for maintaining self-respect in the face of manipulative behavior.

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Practically speaking, the narrator should ensure his lease allows for the immediate removal of a roommate, as some jurisdictions require formal eviction notices regardless of the cause. Moving forward, he might benefit from keeping his finances separate from future partners until a deeper level of transparency is established. How would you handle a betrayal that hit both your heart and your wallet?

Community Opinions

The community was nearly unanimous in their support for the narrator, with many pointing out the absurdity of the roommate's 'homeless' defense.

u/DeJoCa
Do you honestly need to ask? You didn’t make him homeless.
They made him homeless.
Always be kind, when possible.
But first, always be your own advocate.

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u/YouBetYourCraft NTA. Not even a question. They deserved it. He is a snake in the grass. She is a slug following him. If you take either one of them back...

u/ChaosReality69
NTA.
She was taking your money and giving it to him to give back to you AND going behind your back with her.

u/JuanBurley NTA similar thing happened to me. About the same age. Friend crashing on my couch because he dropped out of school and moved to where I was living. After...

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u/prince_ess1
So she was "robbing Peter to pay Paul". Block them and delete their numbers.
NTA
updateme

u/BigBirdsBrain
NTA. They both lied, used you, and crossed the line, consequences are on them not you.

u/akillerofjoy YTA for asking such a ridiculous question with only one obvious answer. If you just wanted to share what happened, you could have posted on r/cheatingstories instead of trying...

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u/Batch_cooking44
So did the friend catch all this on video too?

u/Chemical_Shirt7837
Nta you did better than 99% of people who post here. Got rid of both problems

u/NeedleworkerReal9375
Nope Nope Nope NTA!! Keep them both on block!!! Let them work it out!!!

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u/fraquile
NTA - common in what world he is not kicked out. Be done with both.

u/jypziruin
So really you were paying his rent since he was asking gf for money who was in turn asking you for money.
Yeah good riddance to them both

u/Clear_Firefighter334
NTA at all.
Oh, sweetie you sound like a great guy.
I am really sorry this happened to you.
They are both the AH's, big time.

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u/TSIDATSI Nope. Next time go with your gut feeling. Trust your Your girlfriend taking money from you to give to him to pay to you is a low down dirty...

u/Shinchan1184 Nowadays common sense is pretty uncommon. I mean what else you can do? Let them having sex in your bedroom and you will buy condom so that they are...

While a few commenters noted the technicalities of eviction laws, the moral verdict remained firmly against the cheating pair.

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This situation is a stark reminder of how quickly trust can be dismantled when hidden agendas come to light. The narrator was essentially paying for his own replacement, a realization that would make anyone see red. While the roommate faces the harsh reality of the streets, and the girlfriend faces the loss of a supportive partner, the narrator is left to rebuild his sense of security.

Do you believe the narrator was too harsh in making his friend homeless, or was the roommate’s behavior an automatic forfeiture of his right to a roof? And how would you react if you discovered your money was being used to fund your partner’s affair? Share your hot take below! Drop your thoughts in the comments below comments below comments below comments below comments below comments below comments below.

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