In the book "Sunshine" by Robin McKinley, the protagonist reveals a profound insight into human behavior under duress. The quote, "You can be a really nasty, selfish little jerk when you're scared enough," captures the essence of how fear can distort one's character. This suggests that intense fear can lead individuals to act out of self-preservation, often at the expense of others around them.

This statement reflects the internal struggle of the character, illustrating how vulnerability can trigger negative reactions. The acknowledgment of being "scared enough" signifies an understanding of one's flaws and the harsh truths that come with facing one’s fears. McKinley delves into the complexities of human nature, revealing that fear has the power to change how we interact with the world.