The quote from Larry McMurtry's "Lonesome Dove" humorously highlights the limitations of a character whose intellect seems ineffective without the right environment. It suggests a certain laziness or dependency on conditions that spark creativity or thought. The imagery evokes the idea that some individuals thrive under specific circumstances, while others may struggle to perform or engage their minds in different settings.

This observation speaks to broader themes of human behavior and adaptability. It implies that certain people may require comfort or familiarity in order to function optimally. Such a characterization serves to deepen the reader's understanding of the character's personality, revealing complexities in how they relate to the world around them and navigate their challenges.