Why do i have a morbid fascination with zombies?

anytime i see zombies, i get hungry for like spaghetti, or chef boyrdes, i also love to play games involving me killing zombies, especially if it's people, ive seen a few where it was kittens, but i love to kill cannibalistic zombies, now i dream of grabbing them, and when i wake up my arms are waving around.