Final answer:
The spoon's significance to Billie is not explicitly mentioned, but it could symbolize home comforts or cherished memories through the association with food like pie.
Step-by-step explanation:
The significance of the spoon to Billie is not explicitly stated in the reference provided. However, the context suggests that the spoon may be symbolic or hold a special meaning tied to home comforts or cherished memories, as indicated by the cook's reminiscence about pie, a comfort food. In literature, objects like a spoon can serve as powerful symbols representing various aspects of a character's life or experiences. In the absence of clear information, Billie's attachment to the spoon would be open to interpretation, and could signify anything from a connection to his past, a simpler life, or a sense of normalcy amidst chaos.