AITA for asking my sister to leave because she brought people into my house?

Meowscals 2054 comments

The original poster (OP), a 26-year-old male who works remotely from his one-bedroom apartment, allowed his 22-year-old sister to move in temporarily after she graduated college, as their parents had relocated.

Before she moved in, the OP clearly stated that he does not host guests because he needs to feel safe in his own space.

When the OP returned home unexpectedly to find three unknown people socializing casually on his couch, he left the apartment for two hours.

Upon his return and confrontation, the sister was upset when the OP asked her to find other housing, leading the OP to question if his reaction was too extreme given his need for security in his home.

AITA for asking my sister to leave because she brought people into my house?
‘AITA for asking my sister to leave because she brought people into my house?’

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Internet Users Didn’t Hold Back:

Users didn’t stay quiet — they showed up in full force, mixing support with sharp criticism. From calling out bad behavior to offering real talk, the comments lit up fast.

The central conflict revolves around the clash between the OP's fundamental need for personal space and security within his own home, and his sister's expectation that she should be able to socialize casually with friends while living there temporarily.

The debate centers on whether the OP's boundary regarding hosting guests was reasonable given the living arrangement, or if his demand for her immediate departure was an overly harsh response to a potentially solvable breach of trust.

Was the OP justified in prioritizing his feelings of safety, or should he have been more flexible to support his sister during her transition?