Both Frankenstein and his monster are absolutely insane. They are both obsessed with dark desires that no normal person would be. Victor wants to create life, out of dead body parts. The monster wants originally just find love then that desire changes into a passion to kill and murder Victor's family. They both end up accomplishing their goals but pay some hefty prices. Victor ends up losing his whole family and in the end even his own life. The monster accomplishes his goal of ruining his creator's life, but can not ever find love or a mate. They both sacrificed so much for no reason. The tale of both of them is truly tragic and shows that both of them were completely insane and had something wrong upstairs.