MOTHER IN LAW TROUBLES NEED TO VENT TO MY GLOW LADIES...HEAR ME OUT😤

Ashley • Hi!! My names Ashley Im 34 and have 3 daughters and im madly in love with my husband my whole fam has baby fever😀
Okay sorry to do this here but dont have many friends or ppl i associate with that i can trust anyway long story short my crazy(meaning schizaphrenic) mil lives with us its me my SO my 3 daughters and his daughter and she currently just moved in maybe a cpl weeks ago and i was dreading it from the start she has been on her meds which is a lil better keeps her from talking to herself or whoever it is allday she has other stuff but she is crazy so idk how to tell my so in a nice way that idk how much longer i can handle her here he works 7 days a week from 7-7 sometimes longer so he dont have to deal with anything but she stares at me constantly why im doing dishes laundry sweeping anything then tries to take over my chores and it drives me insane plus she eats alot and drinks pops water juices anything i put in the fridge to get cold whether its for me or not ill go to get it and they r gone we have important papers come up missing she throws things away like my daughters stuff for her project she thought was trash and uses toilet paper like its going out of style and just makes me uncomfortable in my own home...now i dont wanna seem petty about those things but when i feel like im constantly at the store purchasing things that she is using up its annoying oh ya and laundry she will do a small load and she dont measure the soap in the cap she grabs the big thing of detergent and pushes the little button and uses ALOT of soap its like i have 4 damn kids to constantly stay on top of i shouldnt have to tell a grown woman wth to do oh ta another thing she smokes and we dont so she decides to go on our inclosed front porch and smoke with the doors wide open to outside like hello the air is on and not to mention the smell of smoke is drowning out the front porch creeping in the living room so i mentioned that and now she goes out back i hate confrontation and usually really nice but its driving me insane im constantly put in a bad mood becuz of her what do i do??? i love my SO so much and i kno if it were my mom it would b different but idk what to say its like i try to not gripe cuz he works all day so unless its something urgent i dont bring it up but ugh help me out my 1 n only support group i can trust!??!?!?!??