AITA for telling my half sister her other half sister isn’t my family and I don’t need to invite her to my birthday parties or anything?

The concept of family can be a complex tapestry, woven with threads of blood, love, and shared experiences. But what happens when those threads don’t quite connect for everyone involved? For a 16-year-old girl, our protagonist, navigating the intricacies of her blended family has become a source of tension, particularly when it comes to defining who she considers to be her kin. The issue came to a head when her upcoming birthday plans sparked a conflict with her half-sister over the inclusion of another, unrelated half-sister.

Growing up with a unique family structure after her parents separated and her mother passed away at a young age, our protagonist, whom we’ll call Lily, has a clear understanding of who her family is. Her father later had a daughter, Nova, with another woman, Mary.

While Lily and Nova share a father and a half-sister bond, their family connections diverge further when Mary remarried and had another daughter, Ava. Lily has no relationship with Mary, her husband, or Ava, and she doesn’t consider them part of her family. This distinction, however, has become a point of contention with Nova, who feels a stronger sense of familial connection across these different branches.

‘AITA for telling my half sister her other half sister isn’t my family and I don’t need to invite her to my birthday parties or anything?’

I'll try to make this easy to understand. My mom and dad had me (16f). They broke up. Then my mom died. All this happened by the time I was 2. My parents were never married either. My dad had a relationship with another woman. For this post I'll call her Mary. My dad and Mary had my half sister Nova (12f) together.

My dad and Mary broke up. Mary got married to a guy and had a daughter Ava (7) with him. I live with dad full time (obviously). Nova splits her time between dad and Mary. Nova and I are half sisters. Nova has another half sister Ava, who isn't my half sister or anything. I have nothing to do with Mary or Ava or Mary's husband.

Like I don't ever speak to them or hang out with them. I'm not part of their family and I don't want to be. But Nova has always hated that we have more thanks to dad than Ava does. Dad always went all out for our birthdays and the parties we'd have with them. Nova had two every year. One at dad's and one at Mary's

I have one because I don't have a mom to throw a second one for me. And I never wanted to include Mary, her husband or Ava because they're not my family or my friends. But Nova got really annoyed that dad was taking me and my friends and some family including her and a few cousins to a water park for my birthday and I wouldn't invite Ava.

She asked for Ava to be invited before and dad always told her she could invite Ava to her parties if she wanted but I didn't have to if I didn't want to. Nova went really hard on it this time. She told me we're all family and Ava's basically my sister too. I told her Ava isn't my family, my sister or anything to me. I said she's some random kid.

Nova told me her mom (Mary) was basically my mom for years and I said that wasn't true and Mary isn't my family either. She told me if we're both her sisters then we should be each other's sisters too and sisters should be included in parties like the water park. I told her she could pick the water park for her birthday in a couple of months and invite Ava but I wasn't going to and I told her she couldn't change my mind.

She asked why and I said I don't want Ava there and I don't want Ava to be my sister. That she's her sister and she always would be but she'd never be mine. Nova's really pissed at me and it's worse now the party happened and I didn't change my mind. Dad's talked to her about it but it did no good. She calls me a mean girl and a b**ch and she says I'm a bad sister.. AITA?

The concept of family can be a complex tapestry, woven with threads of blood, love, and shared experiences. But what happens when those threads don’t quite connect for everyone involved? For a 16-year-old girl, our protagonist, navigating the intricacies of her blended family has become a source of tension, particularly when it comes to defining who she considers to be her kin. The issue came to a head when her upcoming birthday plans sparked a conflict with her half-sister over the inclusion of another, unrelated half-sister.

Growing up with a unique family structure after her parents separated and her mother passed away at a young age, our protagonist, whom we’ll call Lily, has a clear understanding of who her family is. Her father later had a daughter, Nova, with another woman, Mary. While Lily and Nova share a father and a half-sister bond, their family connections diverge further when Mary remarried and had another daughter, Ava.

Lily has no relationship with Mary, her husband, or Ava, and she doesn’t consider them part of her family. This distinction, however, has become a point of contention with Nova, who feels a stronger sense of familial connection across these different branches.

Blended families often present unique challenges in navigating relationships and establishing boundaries. Each individual may have a different perspective on who constitutes “family,” based on their personal experiences and the nature of their connections. In Lily’s situation, her clear distinction between her half-sister Nova and Nova’s other half-sister Ava highlights the complexities of these family structures and the importance of respecting individual feelings and boundaries.

Lily’s perspective is understandable given her lack of direct connection with Mary and her family. While Nova sees Ava as family due to their shared mother, Lily does not share that connection. Forcing a familial relationship where one doesn’t naturally exist can lead to resentment and discomfort

It’s important to recognize that family is not solely defined by blood ties but also by emotional bonds and chosen relationships. Lily has the right to define her own boundaries and decide who she considers to be part of her inner circle, especially when it comes to personal celebrations like her birthday.

According to Dr. Patricia Papernow, a clinical psychologist and expert in stepfamily dynamics, “Stepfamily integration is a process, not an event.” This highlights that building family connections in blended families takes time, effort, and mutual respect. Dr. Papernow emphasizes that forcing relationships or expecting instant bonds can be detrimental. In Lily’s case, Nova’s insistence on including Ava in Lily’s birthday plans, despite Lily’s clear objections, could be seen as an attempt to accelerate a connection that doesn’t naturally exist for Lily.

Lily’s father’s approach of allowing Nova to invite Ava to her own birthday while respecting Lily’s decision is a balanced one. It acknowledges Nova’s connection with Ava while respecting Lily’s autonomy. Nova’s reaction of calling Lily names when her wishes are not met is inappropriate and suggests a lack of understanding or respect for Lily’s feelings.

Ultimately, while it’s natural for Nova to want her sisters to connect, she needs to respect Lily’s boundaries and accept that Lily’s definition of family may differ from her own. Forcing a relationship is unlikely to be successful and could further strain the relationship between the half-sisters. Open communication and mutual respect for individual feelings are crucial for navigating the complexities of blended family relationships.

These are the responses from Reddit users:

Alright, buckle up, because the Reddit jury has delivered its verdict, and let’s just say Nova might need a lesson in respecting personal boundaries. The online consensus is overwhelmingly in Lily’s corner, with many commenters pointing out the obvious: Ava isn’t Lily’s sister, and she’s under no obligation to include her in her birthday plans.

From suggesting Nova might be influenced by her mother to outright stating that Lily is not being mean, the Reddit hive mind had a pretty clear take on this sibling squabble. It seems like the internet collectively rolled its eyes at Nova’s insistence and decided that Lily is perfectly within her rights to choose her own birthday guests. Let’s dive into the digital drama and see what straightforward opinions the Reddit crowd offered.

mrswith4crochgoblins − NTA. I wonder if her mom is trying to force it?

CupJumpy2035 − NTA. Ava isn’t your sister, and you’re not obligated to include her in your birthday plans. It makes sense that Nova sees you all as family since she’s connected to both sides, but that doesn’t mean you have to feel the same way. You’re not being mean—you’re just setting boundaries about who you consider family. Nova can include Ava in her celebrations if she wants, but she doesn’t get to dictate yours.

Quarkiness − Even if you did have a 7 year old sister it would be weird to have them at your birthday party with your friends 

apricitymiette − NTA. She's being a bratty twelve year old. You're fine. And good on your dad for sticking up for you.

Otherwise_Degree_729 − NTA. I think she is being manipulated by Mary.

Dewlicious_Cloud − NTA. I believe her mom has a hand in this indirectly. She encourages her to act like that to force a connection so her other daughter can benefit from it. You can tell because her mom isn't discouraging the behavior and setting her daughter straight that she has nothing to do with you or your dad.

Vegetable-Cod-2340 − NTA. Honestly at 16 this shouldn’t be your problem, you didn’t lie Ava isn’t your sister. Op, I would tell your dad everything Nova sadi to you about it, because it honestly it’s not Nova’s problem either, and it’s way to big to be on her shoulders. Just tell him you’re concerned about her anger and her focus on making you a family against your will, maybe suggest counseling. If this is a narrative being pushed on Nova it’s a dangerous one and it’s not okay to pit a girl between her two half siblings.

Hairy-Reindeer2471 − Nova is old enough to know you and Ava are not related and have nothing to do with each other, you are strangers. Kids can be bizarre sometimes but her insistence on pushing this might be coming from mary. Edit: She is calling you a b**ch etc…yep definitely coming from mary and her household. Your dad needs to talk to mary.

Moist_Discussion_839 − Ask her if Mary is/was your mom then why she gets two birthday celebrations and you get one ?. And did she ever asked her mother Mary to throw you a birthday party too??. Also just out of curiosity..do you get invited in Ava's bdays?

BlowtorchBettie − NTA. Just tell Nova if she wants to stay home with Ava that's fine.

These are popular opinions on Reddit, and they largely support Lily’s right to define her own family boundaries. While Nova’s desire for a unified sibling front is understandable, it shouldn’t come at the expense of Lily’s comfort and personal preferences. The online community’s reaction underscores the importance of respecting individual choices when it comes to personal celebrations and who one considers to be their family.

Lily’s situation highlights the often-complex dynamics within blended families and the importance of respecting individual boundaries when defining family. While Nova’s desire for her half-sisters to have a relationship is understandable, she needs to recognize and respect Lily’s feelings and her right to choose who she wants to include in her personal celebrations. Forcing a connection where one doesn’t naturally exist can be counterproductive and lead to further conflict.

What do you think of Lily’s decision? Is she being unfair to Nova or Ava? Should half-siblings automatically consider their other half-siblings’ step-siblings as family? Share your thoughts and experiences in the comments below.

Share this post

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *