In "Midnight Sun" by Stephenie Meyer, the narrative delves into the complexities of Edward Cullen's emotions and thoughts. The story is a retelling of "Twilight" from Edward's perspective, providing insight into his inner struggles and the challenges he faces in navigating his feelings for Bella Swan. The intense emotions he experiences highlight the turmoil of their relationship, marked by love and danger.

The quote "Idiot! Lunatic! Moron! Jackass! Selfish irresponsible fool!" reflects the frustration Edward feels regarding his own nature and decisions. It reveals his self-criticism and the weight of his choices as he grapples with the responsibilities and risks that come with being a vampire. This candid expression of his turmoil adds depth to his character and emphasizes the darker aspects of his existence.