The perspective of a madman is strange, they see nothing but victims. The perspetive of a monster is worse, they see toys, toys they can break, and 'play' with...
The story is told from the perspective of a monster, seeking someone who is happy has good friends,, someone who has... A perfect life... So he can take it away from her, take her happiness, her friends, and ultimately, her life. Fear opens doors, and gives others power, only those who desire to destroy, can use it best.