The lines suggest that Poins is content with his identity and position within his family.
The lines reveal that Poins recognizes himself as a dependable individual ("a proper fellow of my hands") and acknowledges his role as a second brother. This indicates that Poins is self-aware and comfortable with his position in the family, rather than seeking approval or validation from others. Therefore, the best statement that expresses these lines is B. Poins is satisfied with his life.
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