This is actually on behalf of my friend, she's getting stressed and I don't know what advice to give her :)
She has a 24 year old DD and a 21 year old DS. The daughter lives at home, works ( don't know if she pays rent).The son works and has moved out to live with his fiancee in their flat, but returns every Sunday night to visit.
The daughter is really into clothes and fashion and has rather a lot of clothes- her cupboard and chest of drawers are full, and as the son is only there one day a week she's moved a clothes rail into his old bedroom, which is empty six days a week most of the time.
Obviously it would be ideal if the clothes could be moved when the son comes to stay, but it's rather a lot to dismantle- there's about thirty items on the rail. The son has now put his foot down about the things being in his room when he comes to stay and is sending rather aggressive messages to the group chat swearing about the things being in there and saying 'Let me know when you've moved it for good'.
The first advice I've given to my friend is that the son should apologise for the aggressive approach, but I don't know whose side I'm on about the clothes. To see the son's point of view, it's not fair to have a rail blocking his room when he comes to stay- you can still move around the room, but he likes to read and so on in it and 'see his room' as my friend says indulgently- I personally think with a fiancee he needs to grow out of his old bedroom, but he does still use it a bit and if the daughter wants to have so many clothes she will have to get her own place. It is the daughter's home most of the time though, and without the rail (she'd have to dismantle it completely and put her dresses etc in her cupboard somehow, but currently it's full) it will be cramped for her the other six days. Friend is moving towards doing what the brother wants- AIBU to agree with her and not fight it?