In "The Collector of Hearts: New Tales of the Grotesque," Joyce Carol Oates explores the complexities of human emotions and experiences through various narratives. The collection delves into themes of obsession, identity, and the darker aspects of human nature, revealing how individuals confront their own inner demons. Oates masterfully captures the grotesque elements of life, prompting readers to reflect on the intersection of beauty and horror in personal and societal contexts.

The phrase "I will be the clinician of my own pathology" underscores the idea of self-examination and personal responsibility in understanding one's psychological state. It suggests that individuals must take an active role in diagnosing and addressing their own emotional struggles. This concept resonates throughout Oates' writings, where characters navigate their flawed psyches, ultimately leading to profound insights about their existence and relationships.