I am playing a game with my housemate, one that she isn't aware that we are playing. It’s a fun game that has so far lasted over 3 months while we have been living together.
Each morning after she has left for work, I tilt 2 or 3 of the paintings she has hanging in the lounge room. Each afternoon she will come home & straighten them up again.
What hasn’t gone unnoticed is that she has tried to mitigate the issue in a number of ways. I first noticed it when she started closing the windows & doors during the day before she left for work. Still the paintings were tilted. She eventually asked me one day if I had noticed the paintings being on a slant. I looked up from what I was doing & just said “The what? The paintings? No, sorry. I never notice things like that”.
The very next day the paintings were anchored with BluTak in each corner. Well played housemate, well played.
So I had to resort to alternative entertainment. My housemate also plays the guitar.
For some reason, the D-string is constantly out of tune. . .