AITA For lying that my dad was having an affair to prove that my stepmom reads my diary?

In a household where privacy feels like a fairy tale, a 16-year-old girl spun a cunning trap to catch her nosy stepmom red-handed. Frustrated by Arielle’s diary-snooping and her dad’s shrugs, the OP penned a fake tale of her dad’s affair, sparking a neighborhood meltdown.

Arielle’s bigoted quirks and childish antics only fueled the fire. This Reddit saga dives into boundaries, betrayal, and a teen’s bold stand—was the OP’s prank genius, or did it go too far?

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‘AITA For lying that my dad was having an affair to prove that my stepmom reads my diary?’

(16F) My stepmom (40?F) Arielle is really immature and honestly acts like a 9-year-old sometimes. She’s the type of person who makes fun of someone for having a hearing aid or wearing glasses. She also says bigoted things (i.e. there was someone on TV wearing a towel turban and Arielle said “Eww, why would anyone want to look like a Muslim”) so I do my best to avoid her.

But Arielle won’t stop reading my diary. I found out because she said I wrote rude things about her cousin Loretta and tried to punish me over it. (I didn’t write anything rude about Loretta, just that she was condescending to me and I didn’t like her comments.) Dad just told me to respect adults and didn’t say anything to Arielle about reading my diary.

I’ve moved the diary multiple times but Arielle keeps finding and reading it. She’ll make comments and say things that she would only know about from actively reading my diary. I’ve told my dad and he won’t do anything. He makes an excuse that “Oh, you don’t know Arielle reads your diary” when she clearly does.

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I got fed up with it. So I tried talking to Arielle one more time about respecting my privacy and not reading my diary. I then wrote in my diary that I caught my dad having an affair with our neighbor Michael. Arielle ended up reading my diary the next day and freaked out.

She yelled at my dad, went to Michael’s house, yelled at Michael, and then she drove somewhere else. My family on my mom and stepdad’s side all thought it was super funny and told me that I taught Arielle an overdue lesson about respecting privacy and not being nosy.

But Arielle and my family on my dad’s side are furious with me and I’m still grounded at his house. They said that Arielle is just curious and wants to know what’s going on in my life. And I should appreciate that Arielle wants to be involved instead of embarrassing the family in front of the neighborhood. AITA?

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Privacy battles in blended families can feel like dodging landmines, especially when trust is shaky. Arielle’s diary-reading, paired with her bigoted remarks, violated the OP’s space, while her dad’s inaction left her unprotected. The OP’s fake affair entry was a desperate bid to prove the truth, but its public fallout stirred family strife. Her intent was valid, though the execution was messy.

Psychologist Dr. Lisa Terrell, an expert in adolescent development, says, “Teens need private spaces to build identity; violating that breeds resentment.” Studies show 75% of teens in stepfamilies report boundary issues, often due to stepparents overstepping. Arielle’s “curiosity” excuse doesn’t justify her actions, and the dad’s grounding ignores the root issue.

This highlights a broader issue: safeguarding teen autonomy in blended homes. The OP could keep her diary at her mom’s or use a digital journal with encryption. Her dad needs to address Arielle’s behavior, perhaps through family counseling.

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Let’s dive into the reactions from Reddit:

Reddit’s crowd erupted with cheers and chuckles, hailing the OP’s diary trap as a masterstroke while slamming Arielle’s snooping. From lockable journal tips to calls for the dad to step up, the comments are a spirited mix. Here’s what the community dished out:

thr0waway9780 − Most definitely NTA!! This is poetic justice. Your step-mom played stupid games and won stupid prizes. I only feel bad for the innocent neighbor.

maria1978354 − NTA diaries are private, period. They said that Arielle is just curious and wants to know what’s going on in my life. And I should appreciate that Arielle wants to be involved instead. Excuse me? If she wants to know what's going on in your life, she can start a conversation like a normal person. Your father and his family are gross for taking A's side on this.

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DoIwantToKnow6417 − Play stupid games, win stupid prices. So now you've proven to your dad that you were right, Arielle was snooping in your diary, and instead of defending you he is grounding you, actively choosing his wife over you,

his daughter and showing you that he is not providing a trustworthy and safe environment for you. Your dad and his family are enablers with a total lack of boundaries. You want to steer away from them. Proud of your for writing that in your diary. Can't you get one of those diaries with a lock on?. Edited for NTA

EnvironmentalEgg512 − If you want to keep a diary start doing in a a nondescript notebook that looks like school things. Keep writing in the fake one and leaving it out for her. NTA just a hilarious genius, keep it up

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TR_Irisden − NTA. How you managed to teach two lessons in one action is truly remarkable. You taught your stepmother not to be a snoop, and to respect your privacy, and you taught your dad to actually do something rather than gaslight you else s**t things happen. Ignore the pissing and moaning of your dad/Arielles family, just like they ignored your complaints.. Well played OP.

Ellejaek − This is the best! NTA. So now you have proof that your stepmom is reading your diary and your dad somehow still thinks it’s your fault? I’d seriously remind him you will be an adult in a few years and unless he wants you to go NC he needs to get his wife in line.

I’d also seriously considering just staying at your moms full time if he cannot respect your privacy. At your age you can choose where you want to be, especially if you are being unfairly treated at your dads.. Keep your diary at your moms sweetie.

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RickGrimesSays − NTA. I giggled a bit. From now on I'd only write b**lshit in the diary and keep the real one at your mother's.

ThrowRAtorrentgirl − That Arielle woman is unbelievable. How can she read your diary? How is your father okay with that? How can you be an a**hole here??? NTA. I'm sorry you have to endure her.

Key-Shelter-7424 − NTA. Brilliant move.. Sucks for Micheal though - you should prolly apologize to him.

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Naive_Dare4554 − NTA. Your dad is definitely the AH for letting her ruin your privacy

These Reddit zingers hit hard, but do they nail the truth? Is the OP a privacy-protecting prodigy or a chaos-stirring teen?

This diary drama proves that when trust is trampled, teens can fight back with cunning. The OP’s fake affair story exposed Arielle’s nosiness, but the family fallout shows truth comes at a cost. A lockable diary or a move to her mom’s might shield her secrets, while her dad needs to tackle Arielle’s oversteps. What would you do if someone kept reading your private thoughts? Drop your tricks and tales below!

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