13 Things Siblings Never Forgive Each Other For

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Siblings share a unique bond, filled with shared memories and experiences that shape life. But let’s face it—there are certain things that you and your siblings will probably never let go of. These grudges might simmer quietly beneath the surface, only to pop up during family gatherings or heated debates. While sibling rivalries are often harmless, some grievances can leave a lasting impression that affects your relationship for years to come. Here’s a list of things siblings never quite forgive each other for.

1. Breaking A Favorite Toy

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Remember that time when your sibling broke your favorite toy? It might seem trivial now, but back then, it felt like a monumental betrayal. No matter how many years pass or how many new toys you accumulate, the memory of that beloved item shattering into pieces lingers. Dr. Laura Markham, a noted parenting expert, emphasizes the emotional baggage that comes with such incidents, noting that toys are often deeply tied to a child’s emotional world. The loss isn’t just about the toy, but about trust and respect, which can be hard to regain.

Even when parents step in to mediate, the damage is usually done. The words “I’m sorry” may have been said, but they often feel insufficient. You probably found yourself questioning if it was done on purpose or just an accident. Either way, you’ll remember the incident long after it’s happened. At family gatherings, it might even become an anecdote, but deep down, there’s still that little sting of betrayal.

2. Tattling To Parents

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You might think it’s a minor issue, but tattling to parents can be a significant sore spot. When your sibling tells on you, it feels like you’ve been sold out. Trust gets broken, and it takes a long time for it to be mended. You remember getting grounded or losing privileges because your sibling decided to inform your parents about something you did. Even if you were in the wrong, it still feels unfair coming from them.

You might have tried to strike a truce, perhaps by promising never to tattle on each other again. But the memory of that betrayal sticks around, creating a silent tension. You find yourself second-guessing what you can share with your sibling, wondering if they’ll keep it a secret. And even if they apologize later, the damage is often already done. It’s a classic case of “once bitten, twice shy.”

3. Stealing Clothes

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Few things are as annoying as finding out your sibling has “borrowed” your clothes without asking. It’s like an unspoken violation of your personal space. A study published in the Journal of Family Psychology indicates that such acts can lead to ongoing conflicts, especially among adolescent siblings. You might find yourself constantly guarding your closet or keeping a mental inventory of your wardrobe. The worst part is when they deny it or return it in less-than-pristine condition.

Even though you might share the same blood, sharing clothes without permission is crossing the line. You might have confronted them about it, only to be met with laughter or a casual shrug. It’s the principle of the matter that stings, more than the act itself. You’re left feeling disrespected and undervalued. Some siblings manage to move past this, while others hold onto it for years.

4. Getting The Bigger Room

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It’s a classic point of contention: who gets the bigger room? It might seem silly in hindsight, but this is a major grievance among siblings. When you get stuck in the smaller room, instant jealousy and resentment can brew. It’s like a constant reminder of the favoritism you perceive from your parents. Every time you walk into your sibling’s room, you might feel a little jab of envy.

The room you get can feel like a reflection of your worth within the family. Even if it’s not true, the feeling is hard to shake. You might try to negotiate or even swap rooms, but often those efforts don’t lead to any change. It becomes a long-standing issue that you bring up during arguments or when the family is deciding new room assignments. Even years later, you may still bring it up in jest, but deep down, it stings.

5. Topping Academic Achievements

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When your sibling outshines you academically, it can create an unspoken rivalry. You’re proud of them, sure, but sometimes it feels like their achievements cast a shadow over your own. According to Dr. Susan Heitler, a psychologist and author, sibling rivalry often intensifies when parents compare their children academically, leading to lasting resentment. You might feel pressure to match or exceed their accomplishments, making it difficult to enjoy your successes.

The constant comparisons can be exhausting, leading you to question your own abilities. Sometimes, it even feels like you have to work twice as hard just to get half the recognition. Family gatherings become a minefield of academic discussions, where those old feelings of inadequacy resurface. Even if you achieve something incredible, there’s often a nagging thought that your sibling did it first—or better. This scenario can create a lifelong, albeit mostly friendly, competition.

6. Ruining A Secret

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Sharing secrets is supposed to be a sacred part of siblinghood. When your sibling spills the beans on something you confided in them, it feels like a terrible betrayal. You trusted them with something important, something you maybe couldn’t share with anyone else. The moment that trust is broken, it’s hard to look at them the same way. Every time you have a secret, you might think twice before telling them again.

Even if they apologize, that breach of trust lingers. It colors your future interactions and makes you more guarded. You might bring it up in future arguments, using it as a weapon to remind them of their past betrayal. And the worst part is, you might never feel comfortable sharing important things with them again. The loss of that connection can permanently alter the dynamic of your relationship.

7. Ruining A Special Event

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Maybe it was your birthday, graduation, or another milestone—whatever it was, your sibling managed to ruin it. Whether they stole the spotlight or caused a scene, the memory of that day is forever tarnished. According to a study published in the Journal of Marriage and Family, such incidents can have long-lasting impacts on sibling relationships, shaping how you interact for years. It’s not something that can be easily forgiven or forgotten, even as time goes by.

The worst part is, they might not even realize the extent of their actions. They might think it was just a joke or a minor incident, while for you, it was a major event. You find yourself replaying the scene in your head, wishing it had gone differently. Even if you eventually forgive them, the memory can still sting. Bringing it up during family gatherings only seems to add salt to the wound.

8. Claiming Inherited Treasures

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When it comes to family heirlooms, emotions run high. Claiming an inherited treasure that’s meant for both of you can feel like a significant betrayal. It’s not just about the item itself, but what it represents—family history, memories, and connections. When your sibling takes it without considering your feelings, it leaves a scar. You might find yourself resenting them every time you see that item on display in their home.

Attempts to negotiate or share the item can end in frustration, leaving both of you feeling misunderstood. You might even involve other family members, escalating the conflict further. Even if you manage to reach an agreement, the experience can leave a lingering feeling of distrust. The heirloom becomes a symbol of the fracture in your relationship, rather than a cherished memory. It’s a tough issue to overcome, often requiring time and effort from both sides.

9. Blaming You For Their Mistakes

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It’s frustrating when your sibling blames you for their mistakes. Perhaps it was to dodge punishment or to make themselves look better, but either way, it feels unfair. You find yourself defending your innocence, even when your parents seem to take their side. This can lead to a breakdown in trust, making you wary of any situation where blame might be assigned. It feels like you’re constantly under scrutiny, waiting for the next blame game to erupt.

The feeling of injustice can linger, especially if your parents didn’t believe your side of the story. You might find yourself bringing it up in family discussions, trying to set the record straight. Even if your sibling later admits their wrongdoing, the impact of the blame still hangs in the air. Your relationship becomes a little more strained, and you might find yourself being more cautious in future interactions. Over time, this can erode the bond you share, making it hard to fully trust them again.

10. Getting Away With Everything

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If your sibling always seems to get away with things, it can be incredibly frustrating. Whether it’s skipping chores, breaking curfew, or getting out of trouble, their ability to dodge consequences can feel like a slap in the face. You might feel like you’re held to a different standard, which can create resentment. It’s like they’re playing a different game with a different rulebook, and you’re left feeling like the responsible one.

The lack of fairness can lead to ongoing tension, as you constantly wonder why they’re treated differently. Even if you try discussing it with your parents, you might be met with excuses or justifications. The feeling of being treated unfairly can stick with you, coloring your interactions with both your sibling and your parents. You might find yourself being stricter with them, trying to compensate for the perceived lack of discipline. It’s a tough cycle to break, requiring open communication and understanding from everyone involved.

11. Not Taking The Blame

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It’s one thing to be blamed for something you didn’t do, but when your sibling refuses to take the blame for their own actions, it feels like a double betrayal. They might try to deflect responsibility, leaving you to deal with the consequences. This can create a lingering sense of injustice, making you question their integrity. When your parents get involved, it often complicates things further, as lines get blurred and the truth becomes muddled.

You might find yourself having to prove your innocence, which can be exhausting and frustrating. Even if the truth eventually comes out, the damage to your relationship might already be done. Trust, once broken, is hard to rebuild, and you might feel hesitant to rely on them in the future. This can lead to a more distant relationship, where you feel the need to protect yourself. It becomes a lesson in self-reliance, but at the cost of closeness.

12. Embarrassing You In Public

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There’s nothing quite like the sting of being embarrassed in public by your sibling. Whether it’s a poorly-timed joke or revealing an embarrassing secret, these moments stick with you. You might laugh it off at the time, but internally, it feels like a breach of trust. Public humiliation can linger in your memory, making you wary of future interactions. It’s hard to let your guard down when you’re unsure if they’ll respect your boundaries.

Even if your sibling apologizes, the memory is hard to shake. You might find yourself avoiding situations where they can embarrass you again. The fear of another public humiliation can lead to tension and resentment. It’s a tough hurdle to overcome, requiring both time and reassurance. While you might eventually forgive, forgetting is another matter entirely.

13. Playing Favorites

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Feeling like your parents played favorites is a common grievance among siblings. Whether real or imagined, it can create a lasting sense of inequality. You might feel like you have to work harder to gain parental approval, which can lead to resentment. The perception of favoritism can color all family interactions, making you more sensitive to any perceived slights. It’s a difficult feeling to shake, even as you grow older.

Attempts to talk it out with your parents might not always lead to the clarity you hope for. They might deny any favoritism, leaving you feeling unheard and invalidated. This can create a wedge between you and your sibling, as you compare notes on how each of you is treated. Even if you eventually come to terms with it, those old feelings can resurface during family discussions. The impact of perceived favoritism can last a lifetime, affecting how you view your family dynamics.