I’d finally achieved a goal I’d devoted most of my life to achieving. I didn’t feel sad about that. I felt elated: I’d done it! And I knew there was more to do, even if, at that moment, I wasn’t quite sure what, exactly. But if seeing 16 sunrises a day and all of Earth’s variety steadily on display for five months had taught me anything, it was that there are always more challenges and opportunities out there than time to experience them.
