In this scene from Charles Dickens' "The Pickwick Papers," Job Trotter displays deep emotion, leading to tears despite Sam Weller's earlier warning against such sentimentality. This reaction highlights Trotter's sensitivity and vulnerability, revealing a contrast between his character and the more practical-minded Sam. Sam's observation conveys both exasperation and a hint of admiration for Trotter's emotional depth.

Sam characterizes Trotter as someone whose feelings are always 'on' like a switch, emphasizing the intensity of his emotions. This commentary reflects on human behavior and the complexity of emotional expressions, illustrating how different characters in the story react to their circumstances. Sam's informal and humorous take provides a moment of levity amidst the emotional tension.