AITA My sister just argues with me when I have to help her with homework, but my mom gets mad at ME?

(Im 19)

This also happens when theres snow days and i need to help my sister.

I try to help her but she just argues with me the whole time because im her brother and I cant do anything about it. For example:

Today she needs to write 3 sentences for 3 vocabulary words. Easy.

What she does is write the three words down and called it a sentence. I explained to her why its not a sentence and what the directions say, but she just doesnt listen and rolls her eyes and acts like a brat. Eventually I get frustrated because we have a lot to do for her and my school work and this is setting it back a lot.

My mom comes out and gets mad at me after my sister says "hes just yelling at me"

I cant even get a sentence in before shes yelling at me saying she hopes i never become a teatcher because Im horrible. She told me to put my phone on the counter (getting grounded from it for god knows how long) but fuck that because i dont think i did anything wrong.

EDIT: the reason I help is because my mom works a stay-at-home job while my dad works a mechanic job

12 thoughts on “AITA My sister just argues with me when I have to help her with homework, but my mom gets mad at ME?”
  1. You didn’t do anything wrong, your mom should be grateful that u are helping with your sister’s homework. That’s not your job, if anything it’s mom’s job, and you have your own to do.
    Is your sister dense or she doesn’t want to bother with actually thinking or does she just want everyone else to do it for her?
    I’m sorry about your situation right now, just remember it’s temporary then u can mover out on your own. Then you will find some peace in your life.

  2. Tell your mother SHE needs to stop parentifying you and needs to help HER daughter with homework as you need to concentrate on your own schoolwork.
    NTA

    1. So sorry, forgot to mention she is working too. She stays at home working while my dad works a mechanic job

  3. It would be helpful to know your sisters age.

    Also, the next time you are **asked** to help her, I would make sure sister is there AND LISTENING and make mom/dad say that *your sister is to listen to you and do what you tell her to do*.

    It is important for your parents to *make a show of it*, that you are in charge and sister is to treat you like she would treat her teacher at school, with respect.

  4. NTA. Start recording the interaction and play it back for your mother. Ask her who she thinks the problem is. If she says it is you, stop tutoring your sister altogether.

  5. NTA – you should just stop helping. I understand they might get mad, but it sounds like they are getting mad (and you are getting grounded) anyways.

  6. NTA.  Tell mom since she doesn’t bother listening to your side before yelling and she’s decided that you’re horrible you’ll be letting her and Dad help sister with her homework.  If they want to revisit this you’ll be happy to discuss the ground rules for this.  They will include sister being respectful, mom not jumping to conclusions and yelling at you for helping, not trying to ground an adult, and the time you can give to this without jeopardizing your own homework. 

    This one does mean if sister still has homework to do at the end of the allotted time she’ll need to do it herself or one of the parents will need to take over helping her. Do not risk failing because you spent too long trying to help sister.  Retaking classes is expensive. If they want you to act like an adult (taking over their responsibility to help sister with homework) then they need to treat you like one.  

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