Are you suerstitious? Some people believe that black cats can bring bad luck. Commonly, these animals are a symbol of evil, they had an inextrincably link with witches! Nowadays, they are creatures (in superstitious people perspective) whose reputation is not good at all.
One of Edgar Allan Poe's most famous stories involve a black cat, what do you think the story is about?
I think he talks about a very spiritual man, who believed in the laws of attraction and superstitions, he believed that when black cats circled your leg, it was because he wanted to remove your energies.