Betrayal would be a different sort of sick.
In her novel "Sunshine," Robin McKinley explores themes of loyalty and the emotional turmoil that arises from betrayal. The protagonist grapples with the deep repercussions of deceit, suggesting that such a violation of trust can bring about a unique and profound sense of illness, both mentally and emotionally. The notion of betrayal is presented as a multifaceted experience, one that affects not only relationships but the individual's psyche.
Betrayal, as defined in the context of McKinley's narrative, serves to highlight the fragility of trust and the complexities that come with it. The protagonist’s reflections underscore the idea that being deceived by someone close can leave lasting scars, altering one’s perception of themselves and others. This exploration encourages readers to consider the depths of emotional connections and the devastating impact of being let down by someone they care about.