Aibu for hating my mom for just letting my sister borrow my stuff without asking me first?

[Alimai]

hi! Im 20 and live with my parents and my sister lives with her soon to be husband. But when i spend some time at my boyfriends home and my sister visits. Then my mom feels entitled to borrow some of my stuff away covers, pillows, slippers, ect socks and sometimes when i come back i can smell she has been in my room since i have all my perfumes in my room... and i HATE it, i feel like she is not being respectfull of my belongings i even pay rent to live at home so i feel like at least let my stuff in peace will ya.. i feel this possesion over my stuff :( like for now i don’t have any control over my belongings.. thats why i can’t wait to move out with my own boyfriend. And feel like i finally have controll over my own stuff. And lock my room? It dosn’t work.. the door lock only locks itself by same damn key of the bathroom.. even if i lock my door they still open it.. and they don’t even ask! So i get so nervous! If i have a nice plushie in my room it even get borrowed away for my niece.. i feel like my stuff its everyones stuff to use whenever they want when they over and don’t have a room to sleep in. And i feel ew when they let them borrow my pillows or duvets because others sweats so i need change them asap.. like all my beloved, expensive stuff are inside my room so yea i do have a bit possesion over my stuff being stolen or stained, especially since my mom just borrowed my sister a very nice blanket to sleep in that i got for chritsmas from my boyfriends mom.. i know this come out as a greedy idk. But i always felt this about my stuff and others just feeling entitled to take them and borrow them without asking :( like i payed and got gifted these stuff

You seem completely over the top about your possessions. God help you when you move in with your boyfriend.
I perfectly understand the need for private space and respect of being asked but accusing your family of stealing without any evidence of them doing so is just mental.

@Alimai is she allowing your sister to sleep in your bed? does your sister not have a room in their house?? definitely change the lock to your room. oh and get a camera for your room!

Is there a bedroom for your sister to sleep in when she comes 'home'? Is there bedding in there?

What's your time frame on moving out? Will it be this year?

You are 20. their house, their rules. If you don’t like it, move out. They are not going to change.

OP is paying rent for her room. It is her private space and these are her possessions. How ridiculous to assert that she should accept a rule that they can take her belongings without her permission simply because they own the property within which she is renting a room. I wonder whether you'd support private landlords being able to do the same?!

You open your bedroom and possesions to your family do you?

She's only 20, paying her way and wants to save up too.

She should have her wishes respected

So they take bed covers off your bed - ones that you have already been sleeping in? That’s weird!

I agree that it's disrespectful and I wouldn't like it either.
But you've told them how annoyed you are and they continue to do it, so what can you do to get yourself some personal space? Move in with your boyfriend, get a flatshare, put a new lock on your door? You need to take action.