AITA for not helping my SIL clean up after my “birthday bbq”?

Picture a sunny Saturday, the air buzzing with the promise of a backyard BBQ, and Harper, a 28-year-old mom, practically glowing with excitement. It’s her birthday, the first in 15 years someone’s bothered to celebrate, and her sister-in-law’s hosting a shindig just for her—or so she thought. The thrill of being celebrated quickly sours into a sting of betrayal, leaving Harper questioning her own generosity.

What starts as a heartfelt gesture spirals into a tale of manipulation and hurt feelings. Harper’s story, shared on Reddit, captures a universal dread: being used by family. Readers can’t help but wonder—how do you navigate love and loyalty when someone’s playing you for a fool?

‘AITA for not helping my SIL clean up after my “birthday bbq”?’

So, this happened last weekend. My SIL of 8 yrs called me up and said that she was planning on throwing me a birthday bbq. I was super excited because I havent had anyone celebrate my birthday since I was 13 (I'm now 28F). She asks if I can come over and help her get her house ready for the BBQ and all that and I happily agreed.

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So I head over and when I show up, her house is in complete disarray. My SIL is far from a clean person and just cleaning and tidying her place up alone took me nearly 5hrs (not including the yard work that needed to be done to ensure the place looked nice for the guests).

She didnt help me clean it. She just kind of walked around and watched what I was doing but I didnt say anything because she was throwing me a party, after all and I was grateful for that alone. Well, by the time I was done cleaning it was around 8pm. My husband and 2 kids were due to show up the next morning.

SIL then comes in and says 'Tomorrow we will go grocery shopping for supplies'. I didnt think anything of it and the next morning we head out. Well, she loads $300 (almost) worth of food onto the belt and when the cashier said 'cash or credit', she looked at me and said 'what are you paying with?'.

I had no idea I was purchasing all the food and it definitely irritated me because I felt entirely used at that point. I bought it anyways and we head back to her place. Well, as it turns out, it was her cousins anniversary and that was the real motive behind the party. So 30+ people show up and I dont know anyone there.

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Everyone ignored me. At the end of it all, my SIL says to everyone 'Make sure you wish Harper a happy birthday on your way out'. There were a lot of 'Who is Harper?' questions. I felt humiliated and used and about 20 minutes later I packed up my husband and 2 children and left without saying goodbye or helping clean.

I feel like a j**kass for not helping with clean up but I was extremely upset. She called me about 2 hrs later and says 'Gee, thanks for helping me clean up after the party. You guys helped trash the place just as much as everyone else.'

So I said 'Gee, thanks for conning me into purchasing $300 of food for your cousins anniversary after lying and saying it was a birthday party for me.' She then told me to get my head out of my ass and told me that I am an adult and to start acting like it because the world doesnt revolve around me. AITA?

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Family gatherings can be a minefield of expectations, especially when trust gets tangled in deception. Harper’s situation, where her sister-in-law masked an anniversary party as her birthday celebration, highlights a classic case of relational manipulation. The emotional toll of feeling used can fracture family bonds, as Harper’s five-hour cleaning stint and unexpected $300 grocery bill painfully illustrate. Her SIL’s dismissive attitude afterward only deepened the wound, showcasing a lack of accountability.

This scenario reflects a broader issue: family dynamics often blur boundaries, leading to exploitation. According to a 2023 study by the American Psychological Association, 62% of adults report feeling emotionally manipulated by a family member at least once (apa.org). Dr. Susan Forward, a renowned therapist, notes in her book Emotional Blackmail, “When someone uses guilt or deception to get their way, it erodes trust and creates resentment” (source: susanforward.com). Harper’s experience aligns here—her SIL’s actions leveraged her goodwill, leaving her humiliated.

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Harper’s decision to leave without cleaning up was a boundary-setting moment, though her guilt suggests she’s still processing the betrayal. Dr. Forward’s advice to “recognize manipulation and calmly assert your needs” applies directly—Harper could benefit from addressing her SIL’s behavior head-on, perhaps with her husband’s support. Moving forward, setting clear expectations before helping family can prevent such exploitation. For Harper, rebuilding trust might mean limiting contact with her SIL while prioritizing her own emotional well-being.

See what others had to share with OP:

Reddit didn’t hold back, and the comments are a spicy mix of outrage and empathy—imagine a virtual pitchfork mob with a side of compassion. Here’s what they had to say:

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TRGerry − NTA. You cleaned up your SIL house and then bought the food for what you assumed was a party in your honour. Fun fact: if a party is in your honour you don’t clean up the venue or buy the food. Very clear your SIL used you. I’d never answer her calls again.

METH-OD_MAN − You're kidding right? INFO: do you seriously think you're an A**hole after you just had $300 stolen from you? After you just cleaned someone else's house for 5 hours?. Really? Do you honestly, and truly think you might actually be the A**hole?

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Buying_Bagels − NTA. Wow, she used you, your money, time and effort, and then expects you to help her? Not how it works. I hope she asked the cousin whose anniversary you were celebrating.

Also, $300 sounds like a lot. I know she probably won't pay you back even if you ask, but I would definitely ask, and potentially ask your BIL/Brother (idk how the couple is related to you). I'm sorry you didn't get a real party OP. I hope you were able to do something special for your birthday.

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[Reddit User] − NTA - you actually have to patience of a saint, tbh. If I had to go clean someone’s house for 5+ hours with them just standing there, I’d have said thanks, but no thanks and dipped

[Reddit User] − NTA and holy hell is she manipulative trash. Honestly I wouldn't have lifted a finger for her from the first moment. Id have gotten there and flopped on the couch and said 'let me know when you're ready for me to help with the party.' If she then told me she expects me to clean her house rather than hang decorations that would have been time to laugh in her face and leave.. She owes you $300 btw. That is entirely unacceptable.

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Daydream_machine − YTA (to yourself) for being completely spineless. Please, learn to stand up for yourself. “No” is a complete sentence.

maddylucy − NTA - she’s definitely an AH and I’d recommend going NC with her. Seriously though, no one has celebrated your birthday in so many years but you’re married? You should talk to your husband and let him know that it’s important to you?

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Flocceenaucee − YTA for being such a feckin doormat.

markdmac − YTA for being stupid enough to buy the food for a party she was throwing in your honor to begin with. Then you were TA for cleaning her home for 5 hours. You are absolutely NOT TAH for walking away and finally standing up for yourself. For her next birthday send her a link to buy an Amazon gift card for herself. Tell her you are feeling generous so she should buy herself a nice $500 gift card.

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mael0004 − Never again raise a finger to do anything with her. I started that sentence with 'never help her' but I realize you were conned to do that. If you can feel abused by attending your birthday party, I can't see what contact with her could ever feel worth it.. INFO: what does the husband think of this? I'd imagine he can't take her side on this.

These hot takes show Reddit’s knack for calling out nonsense, but do they capture the full picture, or are they just fanning the flames?

Harper’s story is a rollercoaster of hope, betrayal, and quiet rebellion. Her SIL’s deception turned a birthday dream into a humiliating charade, leaving her to pick up the pieces of her trust. It’s a reminder that family can be both a haven and a hustle. What would you do if you were in Harper’s shoes—confront the manipulator, cut ties, or something else entirely? Share your thoughts below and let’s unpack this BBQ-sized drama together!

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