The narrator reflects on the challenges of assisting Gussie, who struggles to take decisive action. Despite the narrator's efforts to guide him toward success, Gussie's lack of assertiveness becomes increasingly apparent. This makes it difficult to achieve the desired outcome.
The phrase "lack snap and finish" highlights Gussie's indecisiveness. Even when positioned to succeed, he tends to veer off course, ultimately failing to reach the goal. This ongoing pattern emphasizes the frustration of trying to help someone who cannot seem to act when it matters most.