Being moved when sleeping perpendicular to the approved Plane Of Sleep in the bed, thereby crowding both humans and, sometimes, the other cat.
Construction noises across the street, including but not limited to hammering (manual or nailgun); power tools; large equipment back-up beeps; large equipment in general; loud music.
Awareness of, but not sight of, neighborhood cats just outside the front door. (Cats visible in the backyard are unremarkable.)
Rain. Which is weird, because she lives in Houston, but her formative years were drought years.
The absence of Mrs Heathen beginning at about 5pm each day.
Being alone in a part of the house where there are no people, unless that room is the bedroom.
Being with people in the wrong part of the house.
Not being in your lap, sometimes.
Being in your lap, sometimes.
Having her nails trimmed.
The other cat having her nails trimmed.
Disapproval in all cases is registered verbally, and, in some cases (e.g. #10), with vigorous squirming. Violence is never on the menu.