AITA for giving my mother an ultimatum to choose which child she wants to live with her?

In a cramped home filled with the hum of medical equipment, a daughter’s devotion to her sick mother is tested by a familiar foe: her brother’s chaos. She moved in to help, but his arrival turned her caregiving into a thankless grind—piles of laundry, unpaid bills, and a trashed house. When she snapped, demanding he leave or she would, her mother’s tears and accusations of cruelty left her reeling. Was her ultimatum a stand for sanity or a heartless move?

This Reddit story dives into the messy heart of family loyalty, where love for a parent collides with resentment for a sibling. It’s a tale of boundaries, betrayal, and the weight of caregiving. Is she wrong to draw a line in the sand? Let’s unpack this emotional tug-of-war and see where the fault lies.

‘AITA for giving my mother an ultimatum to choose which child she wants to live with her?’

I moved in with my mom after she got sick to help her. Three months later she told me my brother was moving in to help too. I was less than enthusiastic as my brother has always bullied and taken advantage of me and my mom’s enablement of that sours our relationship.

I was basically treated like I was a bad person for not believing my brother has magically became a different person in adulthood. My mom decided a “compromise” was to have him sign an agreement of his duties and our expectations for the shared living space, as well as what we all would be contributing to the household finances.

I’m not trying to turn this into a pity party but essentially, he has not lived up to a single item once. He has never been taken out the trash it’s always “later”. They joke about it! He makes my life here miserable and filthy, he’s always introducing drama and problems that beggar belief.

Well, I found out my mom has needed my financial help more lately because he hasn’t contributed a single dollar toward food or utilities while driving both up and she’s been trying to cover up for him. So I’m subsidizing him treating me like a house elf

and he won’t help with her appointments or clean up after himself, let alone contribute to chores. We had a fight this morning because he left wet clothes in washer so I had to move them to the dryer (like always) to wash my mom’s sheets and then I had to move them out of the dryer because he wouldn’t come down to get them.

He was upset I left them “dumped” back in his laundry basket and said I should’ve folded them so they wouldn’t wrinkle. HE NEVER FOLDS HIS CLOTHES AND THEY’RE ALWAYS WRINKLED He was demanding I iron his clothes and my mom was trying to say she would do it for him

and I just lost it but it was more like the straw that broke my back while they’re trying to focus on it as a single overreaction. I’ve never hated anyone more in my life. He’s the shittiest person I’ve ever known. I told her it’s him or me, I’m moving out ASAP if she doesn’t give him a deadline to move out.

I said I’d still go to her appointments and stuff like that but I won’t live with her. My mom is hysterically upset and saying that he can’t take care of her if she’s sick at night and she doesn’t understand how I can be so cruel to ask her to choose between her children but I feel like she already did a long, long time ago.

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I feel guilty to put her through this but I also feel like this is not my fault and I have to maintain my own sanity. I feel like crap but idk what else to do. I clean the house to wake up to it trashed every morning and lately I’ve been wishing I wouldn’t wake up.

Edit: I appreciate all the recourses and help but I’m very emotional and will need to revisit. Please don’t mention my sister, I shouldn’t have brought her up. I’m moving out and have booked a therapist but I need to sleep on this and I’m o**rwhelmed by the response. Thank you all.

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Caregiving for a sick parent is tough enough without a sibling turning the house into a battleground. This daughter’s ultimatum—her or her brother—stems from exhaustion and a sense of betrayal, as her mother enables his irresponsibility. Dr. Pauline Boss, an expert on family stress, notes, “Ambiguous loss, like a parent’s favoritism, can leave caregivers feeling invisible and overburdened” (PaulineBoss.com). The brother’s failure to contribute, paired with the mother’s cover-ups, amplifies this strain.

The daughter’s perspective is clear: she’s carrying the household while her brother freeloads, echoing childhood patterns of bullying and enablement. Her mother, torn by illness and loyalty, prioritizes emotional ties to her son over practicality. A 2022 AARP study found 53% of family caregivers face financial strain, often alone (AARP). The brother’s inaction—ignoring chores and finances—makes the daughter’s role unsustainable.

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Dr. Boss suggests setting “clear, non-negotiable boundaries” to manage family conflict. The daughter could propose a timeline for her brother to contribute or leave, while reassuring her mother of continued support with appointments. Therapy, as she’s planned, could help process resentment.

Check out how the community responded:

Reddit users didn’t hold back, serving up a mix of empathy and fiery support for the daughter’s stand. Here’s what they had to say:

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Hefty_Candidate_4902 − NTA. She’s made it clear she favours your brother while knowing he can’t actually care for her. Let her lie in the bed she’s made or hire home help.

Legitimate-Chair6580 − NTA. Girl move out. Your brother is the result of your mother. She can reap what she sows for raising such a man.

CandylandCanada − NTA. This has gone on far too long. There is no impetus for your brother to change, so he won't. Your mother is wrong that he 'can't' take care of her at night; more likely she won't admit to you nor to herself that he *won't*.

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As you rightly pointed out, she's made her choice. You've tried to help her, she squandered that opportunity, now it's time to help yourself. Move out, skip the ultimatum. They can and will figure this out when they have no other options. *NTA*.

calaakla − NTA. I am with you here. She wants him there emotionally while you for practicality. None of this is your obligation/responsibility.

exscapegoat − NTA. If golden penis boy can't take care of her at night, then she needs home health aides who can. Move out for your own sanity. And your right, she made her choice long ago

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ILoatheCailou − NTA. My mother also chose to enable my brother and I had to make a similar choice. I’m sorry you’re dealing with this. Choose yourself

VermicelliSlight − NTA. Let me get this straight, you moved in to help your mom. Your brother moved in as well agreeing in writing to conditions of living together, then proceded to ignore them and live off a sick woman. You became the maid, nurse, sponsor to this against your will and the expectations that were set.. And that's somehow your fault?

[Reddit User] − NTA.. “They joke about it.” Read what you wrote. She thinks it’s funny that he treats you like s**t and has gone back on his word, and she’s 100% okay with that.. Let them joke about it when no one is there to pick up the slack.

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LowStatistician8893 − AITA for giving my mother an ultimatum to choose which child she wants to live with her?  I'm not sure I see the issue here. You are simply asking your mother to choose which of her children she wants to live with her, and giving her an ultimatum in order to do so. I don't see how this is anything other than reasonable.

CamelOfHate − NTA. This situation would be hilarious if it weren't so tragic. Your mom chose your brother, it might be time to cut your losses and just go, mate.

From urging her to move out to calling out her mother’s favoritism, Reddit’s takes are as blunt as a slammed door. Some see her ultimatum as a necessary boundary, others a long-overdue escape. Do these comments capture the weight of her sacrifice, or do they oversimplify a tangled family mess?

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This story of a daughter’s ultimatum lays bare the pain of caregiving under pressure. Her brother’s chaos and her mother’s enablement pushed her to a breaking point, but was “him or me” too harsh? It’s a raw look at where love, duty, and self-preservation collide. Should she stay, fighting for her mother, or walk away to save herself? Share your thoughts—what would you do if family loyalty meant sacrificing your sanity? How do you set boundaries when everyone’s hurting?

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