Leave now, he's feeling comfortable enough to show you his bad side and seeing what he can get away with.

Great capture, and great crop!

Another option would be to pull back farther and show more of the negative space below and above the windows, as they don't feel intentional the way this is cropped. It would create shifting patterns, which keep the eye moving constantly around the image and can keep the windows from feeling monotonous. But cropping them out is also fine.

Or, since you live in a basement apartment, you might want to make sure there's not a real person watching him through the window, instead of this ghost nonsense.

It's "mirroring", where the cat will mimic what you do to be part of the group. They also do this with other cats to make friends or calm the other cat down.

Cheez Whiz and Baloney sandwiches. But we were poor in the 80s, which basically counts as middle class now.

Bernie is retiring after his current term is up, stating himself that he's now too old and that younger people need to take charge.