AITAH for refusing to babysit my sister’s kids after she called me a loser?

A 28-year-old man regularly babysat his 24-year-old sister’s two young children without hesitation until her repeated insults crossed a line. She began mocking his job situation and life choices, openly calling him a “loser” in front of the kids and family. The final straw came during a family dinner when she made another cutting remark about him not having a “real job.”

His response was firm: he declared he would no longer babysit until she treated him with respect. She dismissed it as overreacting to a “joke,” but he held his ground, prioritizing his self-worth over free childcare. What makes this trickier is the guilt he feels knowing the kids enjoy his company, yet he refuses to tolerate ongoing belittlement. This boundary has sparked family tension over loyalty, respect, and unspoken expectations.

‘AITAH for refusing to babysit my sister’s kids after she called me a loser?’

The poster had been a reliable, unquestioning babysitter for his sister’s children.

I (28M) have a younger sister (24F) who has two kids, ages 5 and 3, and I used to babysit them all the time, no questions asked.

Lately, though, she’s been making these snarky comments about my job and life choices, calling me a “loser” in front of the kids and even to my face.

Insults from his sister began eroding their relationship and his patience.

It really stings, especially because I’m trying to figure out my career and personal goals. After the latest incident where she casually threw “maybe that’s why you don’t have a...

He drew a clear boundary that upset his sister and left him questioning himself.

I told her I wouldn’t be babysitting anymore until she could treat me with respect. She got really upset, saying I was overreacting and that it was just a joke.

Now I feel guilty because I know her kids love spending time with me, but I also don’t want to be belittled like that. AITA for standing up for myself?

This scenario exposes a common dynamic where free favors, like babysitting, come with unspoken strings—tolerance for disrespect. The man’s decision to stop helping reflects healthy self-respect; repeated insults disguised as “jokes” are often veiled bullying, eroding confidence over time. By linking childcare to basic courtesy, he asserts that relationships require mutual regard, not one-sided convenience.

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Some might see his stance as harsh, arguing family should overlook teasing or that withholding time with nieces/nephews punishes the children. Yet the sister’s hypocrisy—relying on someone she demeans—undermines her position. True jokes don’t consistently target insecurities.

In wider social context, this mirrors debates about boundaries in family systems. Adult siblings often carry old hierarchies, with younger ones lashing out from their own stresses (parenthood, finances) while expecting ongoing support. Standing firm models self-value and protects against resentment, potentially encouraging better behavior long-term or revealing irreparable entitlement.

Here’s what people had to say to OP:

Many users backed the poster firmly, praising his boundary and calling out the sister’s hypocrisy.

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PurpleMuskogee − NTA. You can spend time with the kids without being the babysitter - I spend lots of time with my nephews but most of the time it will...

not babysitting which is not quite the same. If she thinks you are a loser, why would she want her kids around you anyway? Just be firm.

And don't change your mind just when she apologizes because she is stuck - tell her you'll want to see long-term changes before you re-consider your position.

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DANADIABOLIC − NTA--- You are absolutely right about her disrespecting you. Good for you for standing your ground. Comments like that aren't "jokes", it's just petty.

Affectionate-Mix8447 − NTA. A joke where someone is getting hurt isn't a joke, it's bullying. She is being mean and using you. ... she can't have it both ways.

Shadow4summer − NTA. Ask her why in the world does she want such a loser around her kids? Don’t babysit and please, do not fall for the it was just...

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Niccels11 − Your sister is a bully. Do not feel guilty about not babysitting anymore. If you do decide to babysit, make her pay you and get the money up...

She needs to learn to keep her mouth shut and go work out her issues in therapy. She's probably jealous you have more free time. Maybe she should think about...

A few commenters highlighted the sister’s possible jealousy or projection while reinforcing the boundary.

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DenizenKay − So shes been knocked up twice since she was nineteen, cant afford regular childcare and doesn't have a partner to pick up the slack. ..and you're the loser?

thats rich. im not saying her circumstances are her fault or anything, but you'd think she of all people could understand life throwing curve balls at you,

and maybe being not all sorted out. NTA. If family gives you a hard time, tell them you'll add them to the list of potential babysitters for your sister and...

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laurajosan − NTA. Tell her it’s a good thing she has a job because she’s gonna have to start paying for a babysitter.

Winter_Raisin_591 − Never EVER question whether you're right in standing up for yourself and refusing to allow someone to put you down regardless of how they label it,

(jokes, "tough love", or whatever bs reason people use when called out for being an AH). Your sister is a jerk and now that she has been called out is...

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Don't let her. She can find a babysitter and pay them if she can't sincerely apologize and then never ever play in your face like that again.

And sadly while your niblings enjoy your presence, if they continue to hear their mom speak of you and to you in the manner she does it won't be long...

Some users kept it light with witty comebacks that echoed the community’s sarcasm.

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Dependent_Row9254 − NTA I would reply with the question, 'Why would you want a loser looking after your kids? '

PuddleLilacAgain − Sister: "You are a loser! " OP: "I'm not baby-sitting your kids anymore. " Sister: "Oh, just kidding. " NTA

This situation boils down to respect versus convenience in family ties. The poster chose self-respect by refusing to provide free help amid ongoing insults, showing that “jokes” lose humor when they repeatedly wound.

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Would you keep helping family who belittles you, or draw the same line? How do you handle “teasing” that feels more like bullying? Share your experiences in the comments.

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