In Larry McMurtry's "Lonesome Dove," the character Famous Shoes observes that the young ranger is palpably fearful. This fear manifests itself through his nervousness, such as how he awkwardly handles his coffee cup. It highlights a common human reaction to uncertainty, especially in unfamiliar circumstances.
The ranger's fear is understandable since he finds himself in a strange and possibly threatening environment, evoking empathy from Famous Shoes. This perceptible anxiety adds depth to the character's experience, illustrating how fear can impact actions and demeanor.