You shouldn't fantasize about torture.
Sam is looking for a movie to watch and sees that a torture horror film has been released, so he goes and watches it.
Sam wants to reflect on the movie.
Sam considers how disgusting and unreasonable the movie was and refuses to think about it.
Sam thinks about the movie and imagines himself torturing other people for fun.
Sam maintains a healthy view of the sanctity of life and works to make people happy.
Sam eventually acts out his fantasies and traumatizes an innocent person.