How does the author develop the idea that working at Tri-Valley Hospital was a good experience for the narrator?

by showing that the narrator chose to become a doctor and work at the hospital

by telling the reader that things didn't go as planned for the narrator, but they turned out well in the end

by sharing details about how the narrator met his wife and how they built a life together

by explaining to the reader why the narrator doesn't believe that everything happens for a reason