I have an apt style lot with 8 apt. My roommate is assigned a bed all to herself in one of the apt. First she complained the bed wasn't comfortable so got her a new bed with all 10 stats, but she stil...
In my case, my roommate suddenly stopped entering the bedroom and began complaining even though it was fine before. Turns out it was a buggy door. I bulldozed and replaced it and now all is well.