AITA for telling my SIL she’s no longer invited in our house?

A 27-year-old woman and her husband are facing family backlash after banning his sister-in-law (SIL) from their new New York home, where she repeatedly showed up unannounced from New Mexico, redecorated their guest bedroom, and left her daughter’s belongings. Despite politely declining her request to store items, the SIL’s intrusive behavior escalated, prompting the woman to ship her things back and declare her unwelcome.

The SIL’s complaints to family have sparked a flood of criticism, but the couple stands firm. This story ignites a debate about boundaries, family entitlement, and personal space. Was the woman wrong for her stance? The online community overwhelmingly supports her, praising her for enforcing boundaries and calling the SIL’s actions bizarre and entitled.

‘AITA for telling my SIL she’s no longer invited in our house?’

The woman and her husband, both career-driven, have a strained relationship with his SIL:

I F27 and my husband M27 got married a year back. We had been dating for 10 years and most of his family knew about us. I went to his...

My husband is the same and that’s how we really connected with each other. My SIL however has a different mindset. She got married at a very young age and...

however is a total brat and has always been said yes for everything (for context, she had a 3 day wedding in Italy with 120 guests). She doesn’t hate me...

The SIL overstepped at their housewarming:

We recently took a new house and threw a housewarming for all his family and everyone loved the house. We have an extra guest bedroom, just incase. His sister absolutely...

and said she would move some of her daughter’s stuff here (in the extra room) because we have too much space and she doesn’t want to carry it whenever she...

I really didn’t get the logic and politely declined and said we have a lot of guests coming every now and then and do not have spare space for your...

Her frequent, unannounced visits escalated the issue:

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It’s been 4 months since we bought the house and she’s come a total of 53 days (yes I counted!) Most of the time she comes unannounced and says “I...

What kind of person would fly from New Mexico to New York to be in the neighbourhood? Anyway, slowly I realised she had started putting up her pictures and redecorating...

I told my husband and he said I’m overthinking and she’s just trying to be friends with me. When she left last week, I packed a box of all her...

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She got very very angry and called me and started screaming at me. I told her to stop over reacting and stop considering our house as hers and that she’s...

I told my husband everything and that I would not entertain her anymore. He agreed to what I said and told his sister that she needs to stop doing this...

Our phones have been buzzing with texts and calls saying how inconsiderate we are and that what we did was wrong. I told everyone if you’re so interested, keep her...

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Edit: I see a lot of people writing that she’s running from an abusive husband. She’s not. She got married at 17 because she was pregnant with her daughter and...

The woman’s ban on her SIL was justified, as unannounced visits and unauthorized redecoration of their guest bedroom violated clear boundaries. Shipping back the SIL’s items was a firm but fair response after her polite refusal was ignored. Her husband’s eventual support reinforces their stance, though his initial dismissal highlights a need for better alignment.

The SIL’s actions likely stem from entitlement, fueled by a pampered upbringing, or a desire to escape her aimless life in New Mexico for New York’s allure. Her 53 days of visits in four months suggest an attempt to claim space, disregarding the couple’s autonomy, aligning with research on boundary violations in family dynamics.

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The SIL might view the home as a shared family space, seeing her actions as harmless. However, her failure to seek permission and her complaints to family reveal entitlement, not connection. The family’s backlash likely reflects misguided expectations of hospitality, ignoring her oversteps.

Advice: Maintain the ban, requiring prior notice for visits via written communication. Install a coded lock to prevent intrusions. Address family backlash through a mediated discussion to clarify boundaries. Prioritize self-care to manage stress, ensuring the home remains a sanctuary.

These are the responses from Reddit users:

The online community overwhelmingly supports the woman, praising her for enforcing boundaries and calling the SIL’s behavior entitled and bizarre.

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Many praised the woman for setting boundaries and criticized the SIL’s entitlement:

cloistered_around − I think shipping her stuff she "forgot" was brilliant. NTA because her showing up without advanced notice isn't okay, but you and spouse should probably chat and get...

GothPenguin − NTA-You set a reasonable boundary. She pole vaulted over it while giving you the finger and tattled because she’s the center of the known universe and you weren’t...

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Initial728 − NTA. This is your house and she has no right to assume that she can use it in any capacity. For the people who think you are inconsiderate...

ygnabc − NTA - your SIL started off being very strange, and is now being very petty.

BitInteresting3011 − NTA - This is your house and your boundary is that guests are welcome as long as they behave as guests. This is NOT her house.

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I would set the additional boundary that only guests who provide notice of their visit are welcome. You can always bend that as needed, but setting the boundary that she...

Some highlighted the SIL’s bizarre and intrusive behavior:

Dogmother123 − NTA That is very bizarre behaviour. And who turns up unannounced for long stays?

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Ilsabet − NTA. She left behind alot of things including pictures and thought that was fine. Plus she kept showing up unannounced from New Mexico which is not close. Very...

l_Berg_l − NTA. Like you said in your edit. She loves the idea of NYC and is carving out your spare room as her own. I have a spare room....

but not my in laws, my brother, my parents - not one has left anything or changed anything in that room without us telling them to leave it! IE I...

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(who knows if we wanna hit the hot tub in December with a few beers on a saturday night ?) I can tell you my wife would lose her mind...

Some suspected the SIL’s motives or situation:

poillord − NTA, her behavior is unhinged. I think it might be worth talking to your husband about if everything is okay for her in New Mexico as it sounds...

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adamtheundead − Nta I have the feeling your in laws try to ship her and her daughter over to you and your husband beware!

Some emphasized the SIL’s overuse of the guest room:

DragoBrokeMe − She’s there almost 50% of the time. That’s a roommate not a house guest (and she seems to feel the same way by leaving so much stuff! )....

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Some offered practical advice to prevent future intrusions:

rednewf1970 − Never let her know your vacation plans. She’ll break in and have her own vacation. Never give anyone a key. Better yet get a coded door lock.

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Some expressed strong support for the woman’s actions:

ckptry − NTA shipping the stuff back and telling the other relatives to entertain her was beautiful. So glad your husband is supportive. 53 days! What a loon. Her husband...

Mereadsalot − She’s lucky you shipped her stuff back, I would have sold it.

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Some speculated on the SIL’s intentions to overstay:

woodsblueblanket − NTA sounds like she is trying to take over and turn yall into eventual babysitters.

This guest room saga reveals the chaos of unchecked family entitlement and the power of firm boundaries. The woman was justified in banning her SIL after her intrusive, unannounced visits and unauthorized redecoration crossed clear lines.

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The online community cheers her decisive action, condemning the SIL’s behavior as bizarre and urging vigilance against future oversteps. With her husband’s support, the couple can reclaim their home, but family tensions may linger. What do you think of her response? How would you handle a relative treating your home as their own?

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