AITA for not letting my sister use my laptop to finish an assignment which led to her getting a bad grade?

A 16-year-old’s prized gaming laptop became the center of a heated family showdown. After saving up every penny to buy it, they refused to let their 15-year-old sister—known for wrecking everything from phones to bookshelves—borrow it for a last-minute school assignment. The result? She flunked the assignment, and the whole family turned on them. Was protecting their hard-earned gadget selfish, or just plain smart?

The story revolves around a laptop and touches on trust, boundaries and family pressures. Should they risk their lives to save their sister? Let’s analyze this dramatic story and see how the online community reacts.

AITA for not letting my sister use my laptop to finish an assignment which led to her getting a bad grade?

OP’s frustration with their sister’s carelessness set the stage for the conflict.

I'm 16 and my sister is 15. My sister has always been careless with stuff. Of her own stuff she has broken; three cell phones, six different headphones, several pairs...

Of mine she has broken several video games, my last cell phone, the bookshelf in my room, the sharpener I had for school, my last set of headphones and so...

With money tight at home, OP took matters into their own hands to secure a lifeline.

She's not good with stuff and I don't trust her. My parents also aren't rich. So I saved birthday money and work money and bought myself a gaming laptop for...

I guard it with my life because I would not be able to afford a replacement. I bought it became the family computer needs fixing and my parents can't afford...

Trouble brewed in May when their sister hit a deadline crisis and begged to use the laptop.

So back in May my sister was given an assignment to do for one of her classes. She had time to do it in class so she did. The file...

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She realized at the last minute of the day and she needed to leave, and she couldn't get access to the school computer, so she asked to use my laptop...

Their mom tried to mediate, but her assurances didn’t ease OP’s worries. My mom told me to let her do her assignment on it. I pointed out she breaks s**t...

Mom said she and dad would pay to replace it if that happened, but they believed my sister wouldn't break it and I should try thinking better of her. I...

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The fallout was brutal—OP’s sister got a bad grade, and the family’s anger erupted.

She couldn't get the assignment redone and they never fixed the file, so she got a poor grade for the class (the assignment was the thing being graded for that...

Ever since the report card came a couple of weeks ago they've all been mad at me and my parents said I should have let her use the damn laptop...

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OP’s refusal to lend their laptop makes perfect sense—their sister’s history of destroying everything from phones to furniture justifies their caution. That laptop wasn’t just a tool; it was the fruit of their hard work, and with no immediate replacement guaranteed, saying no was a no-brainer.

Their push for OP to “think better” of their sister came from a good place, but their vague promise to “eventually” replace a broken laptop didn’t address OP’s real concerns. It also sidestepped the sister’s need to prove she can handle valuable items.

Family psychologist Dr. John Gottman hits the nail on the head: “Trust grows from consistent, respectful actions” (The Relationship Cure). OP’s sister hasn’t shown she can be trusted with pricy gadgets, and forcing OP to lend the laptop ignores that truth. The parents’ focus on harmony over accountability missed the bigger picture.

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Some might say OP could’ve been more flexible in a crisis, but others would argue they’re entitled to protect their investment. The sister’s failure to seek alternatives, like a library computer, also points to a lack of resourcefulness.

OP should stand their ground but try a calm family chat to clear the air. Offering supervised laptop use or pointing their sister to public computers could ease tensions. For the sister, learning to handle items with care is crucial for rebuilding trust. This saga shows how family disputes often stem from mismatched priorities, and talking it out is the best way forward.

Here’s how people reacted to the post:

The online community dove into this drama with gusto, dishing out support, practical tips, and a sprinkle of humor.

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Many rallied behind OP, saying they were right to shield their laptop from their sister’s chaos.

Fine_Following_2559 − NTA, public libraries have computers, she should have gone to a library. Also, if it's a c**ruption issue, I feel like her teacher should be understanding of that....

Moonchaser70 − NTA. If they can afford to pay to fix your laptop if she breaks it, then they should be able to afford to get the family PC up...

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It sucks for your sister, but maybe if she learned to be more mindful of taking care of things, she'd have been able to use the laptop for a bit....

Derp_Aderpy − NTA. You said it yourself that your sister has broken a plethora of things in the past. Plus, even if she hadn't broken anything, you bought the laptop...

Others noted that the sister had options she didn’t bother exploring.

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tessaract00 − Nta As others stated, libraries exist. If not a library she could've gone to a friend's house. There were options and she just gave up. It sucks that...

The teacher could've been more understanding and given her an extension (as long as this isn't a common thing with her) and your parents, knowing your sisters track record, shouldn't...

If they can afford to fix a GAMING laptop, they should have fixed the family computer or gotten her a cheap little Chromebook.

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LittleFeltSpock − NTA Withholding your laptop wasn't super friendly, but the reality is that it's not your responsibility to let her use your stuff. That said, she's not an AH...

This story makes me wonder if your parents can get her a cheap laptop just for school work, or if there's a library with computers in your town. Edit: NTA...

Some dug into the parents’ shaky logic and the sister’s wild track record.

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slendermanismydad − And what are you supposed to do about school when your sister breaks your computer and now no one has one? Your parents can't afford to fix their...

A few brought humor, questioning the sister’s “corrupted file” story.

booch − NTA The file ended up corrupted and couldn't be opened My first thought was _so, she didn't actually do it and is now pretending "the dog ate it"_

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Others tossed out creative fixes for the family’s tech troubles.

ExcitingTabletop − NTA Your parents should be aware they cannot lend anything to their daughter that they cannot afford to replace. As a suggestion, tell you parents that maybe they...

carton_of_cats − INFO: How the hell does a 15 year old break a bookshelf? As for judgement, NTA.

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lostalldoubt86 − NTA- Your sister cannot he trusted with electronics. You could have sat with her while she did the assignment to ensure it was not broken, but this is...

This laptop saga proves that even small choices can spark major family drama. OP’s decision to protect their hard-earned laptop was justified, given their sister’s knack for breaking things. Still, the family’s frustration shows how differently people view trust and responsibility. Should OP have taken a chance on their sister, or was saying no the only sensible move? How would you navigate this family clash? Drop your thoughts in the comments!

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