24-year-old boyfriend shuts down girlfriend’s 18-year-old sister’s request to crash at their apartment after she makes snide comments about his acne, weight, and looks at family dinner: 'At least he’s reliable and makes a lot of money'

Author image for Celeste Mello
Celeste Mello • Writer and Editor
Jul 8, 2026 7:15 PM EDT

If you want to stay over at someone's home, there's a basic rule: don't disrespect the person who lives there. That shouldn't be controversial. In fact, that is the bare minimum you expect.

The boyfriend's boundary makes so much sense. He has been living with his girlfriend for almost three years in an apartment they both pay for, which means the place is his home too. And his home is not a place his girlfriend can offer to any family member without his consent, regardless of how they treat him. 

The problem isn't that the girlfriend's sister needs help. The problem is that she has repeatedly disrespected her boyfriend in public, and now she expects to access his home anyway, as if nothing had happened. 

But what makes the situation even worse is that the girlfriend defends her sister instead of her boyfriend. She justifies her sister, saying she's "just like that" and that "she teases him because he's family". Making negative comments about his physical appearance and even saying he "at least makes money" is not harmless teasing. It is humiliating. And it is uncomfortable. 

So the boyfriend set a reasonable boundary when refusing to have his girlfriend's sister stay at his home. No one wants to be around someone who disrespects them and humiliates them. Just imagine spending an entire day and night together. 

If the sister wants to stay with them, the least she can do is apologize first. And then she should promise to stop making those kinds of comments. Even then, he wouldn't be obligated to say yes. 

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  • A young couple having a tense conversation at home, capturing a boyfriend setting boundaries after being disrespected by his girlfriend’s sister.
    via Unsplash+ (Getty Images)

    A young couple having a tense conversation at home, capturing a boyfriend setting boundaries after being disrespected by his girlfriend's sister.

    Subjects are models.

  • AITA for refusing to let my girlfriend’s younger sister stay with us after she continues to disrespect me infront of both our families?

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  • A girlfriend justifying her sister's attitude and a boyfriend who does not want someone disrespectful staying in his home.
    via Unsplash+ (Getty Images)

    A girlfriend justifying her sister's attitude and a boyfriend who does not want someone disrespectful staying in his home.

    People shown are actors.

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  • I stayed quiet during dinner but afterwards I pulled my girlfriend aside and told her I was ped and hate how her sister has no filter or respect and how her parents just let her do whatever she wants. Emily has made similar comments before about me, wether
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  • A family dinner, representing the awkward moment when a girlfriend’s sister makes snide comments in front of both families.
    via Unsplash+ (Taylor Heery)

    A family dinner, representing the awkward moment when a girlfriend's sister makes snide comments in front of both families.

    This is a recreated scene.

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  • javel1 NTA but your girlfriend has made it clear she won't defend you and will actively choose her sister over you. You need to decide if this is how you want to live moving forward.
    via javel1
  • tjs31959 NTA at all. You may want to re-evaluate your entire situation as your GF doesn't have your back at all. I get that its her family but.. its long past time someone should say no to the sister.
    via tjs31959
  • allhinkedup NTA. No way. I bet the "drama" is nothing more than her treating her roommates the same way she treated you. You don't let your ab er have 24/7 access to you. Nope. This feels like a deal-breaker to me.
    via allhinkedup
  • rialtolido NTA but the problem isn't Emily, it's your girlfriend.
    via rialtolido
  • Familiar-Dark-4831 NTA. F her problems- chances are her "drama" with her roommates is due to her abject rudeness. She shows you no respect, she deserves no special treatment. And sorry, but your gf should be shutting down the trash talking immediately and not making excuses for her c sister. py little
    via Familiar-Dark-4831
  • Stock_Particular6525 NTA You have a girlfriend problem. Both your girlfriend, and girlfriend's parents sk as much as Emily because they don't even try to defend you, or make any attempt to rein her IN (though I am keeping in mind, shes an adult)
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relationships girlfriend apartment drama sister family dinner little sister relationship boundaries
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