18-year-old woman forced to take 16-year-old stepsister on her Spring Break trip with friends after dad and stepmom invite her without asking : 'Now my dad’s wife is texting me, saying I’m being selfish and that my stepsister is devastated'

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Brad Dickson • Managing Editor
Mar 27, 2025 11:00 PM EDT

Relationships with step-siblings can be difficult, especially in your teens, you generally old enough that experiencing a true sibling upbringing is out of the question. It doesn't mean that the two of you can't grow close but that whole sibling ingrained love/hate thing is sort of out of the question. Which also means that instead of begrudgingly accepting the presence of your younger siblings—even when they annoy you—you're more likely to just get fed up with a stepsibling and want to have nothing to do with them altogether.

Of course, though, it depends on the people and the circumstances involved, and you may come to understand each other as siblings no matter what age you first meet, but as with anything you can't force these things and it has to naturally develop on its own with time. Simply because "step-sibling" has the word "sibling" in it doesn't mean it's automatically true. The fact that the teen refers to her stepmother as her "dad's wife" tells you everything you need to know about her feelings on the situation.

Adding to this, it's not really your place to invite people to places that you have no involvement in as this dad and stepmother have done here. In any social setting if you're not hosting, it's always essential to ask the people who are hosting or planning the event for permission before bringing or inviting a plus one or 3rd party. It's pretty crazy that these parents just told her stepsister that she could go with the woman and her friends when they had nothing to do with the trip or its planning in the first place.

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  • 01

    "Turns out, he told her she could come with me—without ever asking me."

    Cheezburger Image 10487192832
    via Artem Beliaikin

    The image does not depict the actual subjects of the story. Subjects are models.

  • 02

    "AITA for refusing to give up my spring break trip after my dad promised it to my stepsister?"

    I (18F) have been planning a spring break trip with my best friend for months. We saved up, booked our flights, and got an Airbnb near the beach. I worked extra shifts at my part- time job to afford it, and my mom (who I live with) helped a little with spending money as a graduation gift. My dad and his wife have known about this trip since last year. A few days ago, my dad called and casually mentioned that my stepsister (16F) was really excited for our trip. I was confused and asked what he me
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    responsible for a 16-year-old I barely spend time with. Plus, she didn't contribute financially at all. He got defensive and said it's "just one more person" and that she's been "really looking forward to it." I stood my ground and told him she's not coming. Now my dad's wife is texting me, saying I'm being selfish and that my stepsister is devastated because she already told her friends she was going. My dad is saying I'm being "petty" and that "family comes first." But I feel like they put me
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    Cheezburger Image 10487193600
    via Sumit Sourav
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    OP has offered the following explanation for why they think they might be the a hole: I planned a spring break trip with my best friend. My dad promised my stepsister could come, but I refused because I don't have a close relationship with her and don't want the responsibility. My dad's upset, and she's hurt. I feel guilty, but it's my trip and I don't want it changed.
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  • 06
    AlMiraj Rabbit 1m ago NTA. ABSOLUTELY NOT. This strikes close to home for me because I have been planning a Europe trip for the past 8 months and my boyfriend and I are going in May (yay). I know first hand how much time, money, and commitment it takes to plan and book a vacation. STAND YOUR GROUND. The AH is your dad and his wife for telling her that she could go. Make sure that she knows that it was not you that uninvited her but them who assumed you would let her come. You are not in any way
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  • 07
    Ok-Horror-1049 · 1m ago NTA! OMG!!!! They can take her on THEIR vacation.
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    Ok-H... 39m ago Edited 26m ago • NTA! OMG!!!! They can take her on THEIR vacation after all, she is a minor and THEIR responsibility! Where's your mom? She should be helping you out in this argument! I would NEVER want my 18-year-old to have to be responsible for a 16-year-old~ especially on a Spring Break vacation!!!! This is a MUCH bigger issue. Your step-sis is a MINOR, End of conversation!!!
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  • 09
    Defia... This is not your fault or your responsibility. Your dad blabbed without asking you, now he has to explain it to stepsister. You're not selfish at all. NTA.
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family dynamics teens family drama stepmother aita AITAH kids teenagers blended family siblings stepchild moms family feud parenting family stepsister reddit thread parent raising kids Parenting Fail parents children stepsibling
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