AITAH for not wanting to take on my adult sister when my mom passes?

Imagine a home where a mother with stage 4 COPD tirelessly cleans up after her 21-year-old daughter, whose days are spent gaming while her untrained dog leaves messes behind. For the older sister, living 10 hours away, the looming question of who’ll care for her sister—diagnosed with schizophrenia and severe social anxiety—when their mother passes is a heavy weight. Her refusal to take on that role has sparked guilt and debate, with friends calling her heartless. Reddit’s responses offer clarity and advice on this emotional family dilemma.

This story isn’t just about sibling duty—it’s a raw look at balancing personal limits with love for family amid mental health challenges. With no plan in place and time running short, the sister’s stance raises tough questions about responsibility and care. Let’s dive into her struggle and the Reddit community’s sharp insights.

‘AITAH for not wanting to take on my adult sister when my mom passes?’

I (40f) have a 21 year old sister who has severe social anxiety and has been diagnosed Schizophrenic. She lives with my mother (60). She is completely dependent on my mother. I think she can probably do more or is capable of doing more then she does. She plays video games ALL day.

She doesn't do any cleaning or picking up. She has an untrained dog and doesn't even attempt to pick up her messes. My mother has stage 4 COPD and still does all the cleaning, shopping, cooking, etc. She is on disability and on a very fixed income. I live in another state 10 hours away.

My mother has made comments about me taking her on when something happens to her. I have told her I have no intention of taking that on for the rest of my life and we should be trying to figure something out now so there is a plan. Other then applying for disability for my sister, which was denied, no plans have been made.

I am so nervous of to do with her when my mom passes. My mother is on rental assistance due to her disability and i don't know if that will transfer over to my sister. I can't just leave her with her no where to live and no income, but I don't want that burden either. A couple of friends have made me feel like I would be TA if I didn't bring her to live with my family so I'm bringing it here, also any advice would be greatly appreciated.

Facing the prospect of caring for a sibling with severe mental health issues is a daunting crossroads, and this woman’s hesitation is understandable. Her sister’s dependence on their mother, coupled with minimal contribution to household tasks, suggests a complex mix of disability and possible enablement. The mother’s expectation that her older daughter take over ignores the sister’s own life and family, creating a clash between duty and personal boundaries.

This reflects a broader issue: family caregiving for adults with mental illness. A 2023 National Alliance on Mental Illness report notes that 60% of families with a mentally ill member face caregiving stress, often without support (NAMI). Dr. John Grohol, a mental health expert, emphasizes, “Caregivers must set boundaries to avoid burnout” (PsychCentral). The sister’s refusal to take on lifelong care aligns with this, prioritizing her well-being while seeking alternatives.

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The mother’s failure to secure disability or housing plans for her younger daughter heightens the crisis. Schizophrenia varies widely—some manage with support, others need extensive care. Reddit’s suggestion to pursue disability benefits aggressively is critical; denials are common but can be overturned with advocacy, per NAMI. Group homes or supported living programs, as mentioned online, could offer the sister independence without burdening family.

For solutions, the woman should encourage her mother to consult a mental health advocate now, exploring state programs or group homes. Helping research options, like those at SAMHSA, can ensure her sister’s future without direct caregiving. Readers can support loved ones by connecting them to resources like disability services or local mental health agencies. Proactive planning now can ease guilt and secure care for all.

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Here’s the comments of Reddit users:

Reddit swooped in with a mix of empathy and tough love, dishing out practical tips and firm support. From urging disability appeals to warning against enabling dependency, the comments were a lively rally for boundaries:

Drunkendonkeytail − I’m guessing your sister’s disability was denied because nobody pursued it doggedly. I think that’s your best bet, finding a mental health advocate/agency that will assist in getting services in place for your sister.

Savings-Brilliant669 − NTA. And yes, you can leave her. She is an adult and if she can sit and play video games all day, she can certainly get a basic job. If you give in to this, even an inch...the rest of your life will be supporting sister, cleaning up sister, picking up sisters dog crap. Till the day you die. Do not accept any of responsibility. It's not your problem.

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ashkebane − NTA. I don’t have any real advice other than start the search for homes yourself bc Mom isn’t going to do it. Idc that this is your sister. She is not your responsibility.

theferal1 − So schizophrenia is a spectrum disease and there’s a good chance you’re right and that she’s capable of more. There’s also a chance she’s been misdiagnosed and might be struggling with something else.

I think it’s really important you let your mom know that her job as mom is to get your sister ssi and make her live a life as much as she’s capable of. It would be unfair of your mom to expect you to step in and take over, more so because it sounds like nothing has been done to really figure out how capable your sister is.

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I am the parent of a adult child with schizophrenia, they need care. Full blown incapable of self care, we’re talking either 12 showers a day (with or without soap) or no showers for a month or more. Unable to follow thru on their own food prep, not a chance they could handle laundry.

It’s really sad and difficult but as a parent we have gone to great lengths to make sure our adult child does live as full of a life as they can. If that’s managing to get the mail once a week or month, put a towel away, help set the table, make koolaid, so be it but our kid has a doctor,

has seen several, there are notes, there are at this point years of solid proof that this is the level of capability.. Your mom owes your sister the same. Nta for not wanting to take over, as a mom I can fully understand your moms fear of you not though.

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pleetis4181 − Your friends are the TAs for trying to guilt you into a situation that they have no clue about. And if I have to hear 'it's family,' I'm going to scream. You are not responsible for her. Perhaps, you and your mother could start looking into housing that helps people like your sister learn to transition into adult living. Good luck and you are NOT the ahole.

SnooWords4839 − NTA - Mom needs to figure it out and sounds like she may even enable sister to an extent.. Sister needs to get on disability and let the State take care of her.

whenwillitbenow − NTA my mums twin is much the same as your sister. I am my mums stable child and we sat down and spoke about how I would gain zero responsibility of the twin (he) if something should happen. He would become a ward of the government and not my burden. Her parents asked her to take responsibility when they passed and she regrets it so much. He sucks her dry and would take more if she was able to give it.

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Teddy_Funsisco − INFO: have you told both your mom and sister that things are going to be very different for your sister when your mom can't take care of her anymore? If not, you need to start there. Then assist your mom with options to help your sister with housing, etc. And keep repeating that the current status quo isn't going to continue.

cleaningmybrushes − There are private programs that help low and high functioning adults with mental and physical disabilities. Look into those. They will help do paperwork, keep the adult on track and help them learn enough skills to support a part time job.

See what cities or states have them and also consider a group home. You want her to have a normal life and some freedom. A lot of people like your sister get court ordered to live in mental facilities. It’s very sad and their behaviors get worse along with their quality of life.

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[Reddit User] − NTA. You are not your sister’s keeper. Do you think your sister is truly disabled or do you think she’s more entitled/lazy/taking advantage? Social anxiety and Schizophrenia don’t automatically mean disabled. If you truly think she’s disabled, then I’d just encourage your mom to fight the disability process and hope she gets something. If you think she has the ability to support herself if she has to, then I’d just wish them well and hope for the best.

These Redditors backed the sister’s stance, pushing for systemic solutions over family burden. Some saw the mother’s inaction as enablement, while others shared stories of similar struggles. But do their takes solve the core issue, or just vent the frustration?

This woman’s refusal to take on her sister’s care isn’t about abandonment—it’s about recognizing her limits while seeking a sustainable path. With her mother’s health fading and no plan in place, the urgency is real, but so is the need for boundaries. Reddit’s call for external support like disability benefits or group homes points to solutions beyond family sacrifice. What would you do if faced with a similar family expectation? Share your thoughts and advice below—let’s keep the conversation going.

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