What is the narrator saying about human nature in the black cat ?

the narrator is saying that its human's own nature to do wrong for the wrong's sake only

Explanation:

so are we writing a song for you or are we making characters for you.

"get off of your lazy bum and come running with me or i'm dumping this pitcher of water on u " u say with a smile. she thinks your joking so she ignores you about 10 seconds later shes screaming wile water is dripping everywhere you say "here comes the second one! " then you here her say okay, your such a j e r k ! ill be ready in 5 put the pitcher down " she say in an angry tone. and you smile in victory

good enough?