To start with MIL is a very helpful person, always helps with the kids when she can, even in between shifts at work, often more than I imagine others would.
However, she is a bit lacking in basic manners always has been, talks over you, interrupts constantly, never rings before a visit just turns up, v. argumentative, is generally loud and if I leave the door unlocked she will just walk in without knocking.
She's v. quiet aswell so sometimes in in my front room with a cuppa and a turn around and she's there I'm like WTF!!!!.
. . . .
Yesterday, ..this is gonna be TMI/period related.
I had major leakage in white pyjama pants, didn't notice till after giving the kids breakfast.
I went into my room fast and I just heard the top gate click , she was upstairs in he house.
I had to literally sit on my chair infront of my vanity table and pretend I was putting make up on :/, She was yabbering away bless her and I'm thinking its getting worse.
And of course I had to move to get my dressing gown, of course going to the bathroom meant going past them, of course my bedroom has no lock so she walks in and out and of course FIL was there 
I don't think it was meant with any malice, or ever is I think its in the nicest sense of the word ignorance.
. . . .
I said to DH last night, "you're gonna have to have a word with your mum about knocking" he doesn't know all the details.
his response was, less than supportive,
I should lock the door.
'Well what time was it?'
Because DMIL is up and ready for work v. early.
And then said 'Oh alright Ill talk to her ' and sulked off like I was being unresonable.
Not to drip feed, but I am worried about causing an argument like I said is v. argumentative etc makes mountains out of molehills.
AIBU?