In "The Host" by Stephenie Meyer, the author explores themes of identity and the complexities of human relationships through a science fiction narrative. The story revolves around alien beings known as Souls that take over human bodies, causing a conflict between the hosts and their alien invaders. The protagonist, Melanie, wrestles with the presence of the Soul, Wanderer, who has inhabited her body but begins to experience her emotions and memories, leading to unexpected connections.

The quote "Humans were always surprising me" captures the essence of the novel's exploration of humanity. It reflects the unpredictable and multifaceted nature of human behavior, emphasizing that despite the challenges and control exerted by the Souls, the depth of human emotion and resilience remains a powerful force. The interactions between Melanie and Wanderer illustrate how even in dire circumstances, humans can exhibit strength, love, and compassion that defy expectations.