"Well, for me it really wasn't a case of deciding to be an astronaut"

In this quote, Duane G. Carey is revealing that ending up being an astronaut was not a mindful decision for him. It was not something he actively picked or pursued, but rather something that appeared to happen naturally. This might recommend that Carey had a strong passion or interest in space exploration from a young age, and his course towards becoming an astronaut was almost predetermined. It likewise implies that being an astronaut was not simply a career choice for Carey, however rather a calling or destiny that he might not withstand. Overall, this quote highlights the deep and personal connection that Carey has with his occupation as an astronaut.