In "The Vampire Prince" by Darren Shan, Mr. Crepsley shows a façade of professionalism and restraint when he states his intention to behave appropriately. His pompous declaration contrasts with the deep emotional turmoil he experiences internally. This duality highlights his struggle between maintaining decorum and confronting his feelings of loss.

Despite his outward composure, Mr. Crepsley reveals a vulnerable side as he admits to missing someone dearly. This admission hints at a profound emotional connection that he values deeply, emphasizing the complexity of his character. It signifies that beneath the surface, he grapples with love and sorrow, demonstrating the human capacity for emotion even in a vampire.