My sister, who works random shifts as a delivery driver and also is a private chauffeur for a local businessman, so she should understand that work is a thing, might not mean sitting in an office, people have shifts and might finish late etc.
Rings me at all hours, particularly on a Friday or Saturday, wittering on about absolute shite (because she is either on the way to somewhere, bored, or sat in a car, bored), without ever taking a second to ask if I am busy, working, doing something important to me.
Every time I tell her 'I am working, I need to go' she continues to witter, and then 'oh but it's Friday night...' or 'oh but it's Saturday!'..
I have worked every Friday and Saturday, and my shifts are 2pm to 10pm and have been for the better part of FOUR BLOODY YEARS!
She turns up without asking, and then winds up the dogs, then complains that the dogs are silly, asks if I can take a break (I don't really have breaks, I'm not an employee so there is no statutory break every however many hours. I just have to ensure I answer questions within the 1 hour turnaround time). Starts asking me things when she can SEE for herself that I am answering someones question...
Back when we had to take phone calls or do zooms, she would absolutely interrupt or even interject. She tried to offer a client advice by talking over me once. Another time I was in a zoom with some of the big bosses from insertmultinationalpetfoodcohere and she's in the fucking background WAVING 'hello!' like this is bloody Omegle (my partner hauled her out of the room by her arm both times).
She does not truly believe what I do is really a job, nor does it occur that I might need to concentrate on it. I think thats the real issue.
She also seems to think I am here to do her admin, anything tech related and that this is more important than my own work!