is that a test?

I don't know what optical illusions have to do with psychology, but I have a midterm tomorrow that is all about them. I certainly hope that I don't have to answer questions about how many legs I see. These ones are my favourites. I'll try to find a few more later.

Salem has never had a bath. But sometimes she looks at me exactly like this. I think that if I gave her botox she would look happy all the time.