Think about all of the things he has seen, all of the worlds he has explored, all of the green women he has slept with, and when he is faced with death, it shocks even him, to the extent that all he can say is, “Oh, my.” I’m not sure how popular this scene is among the Star Trek Zeitgeist, but I imagine it’s probably hated. I, however, love it. Feel free to tell me how I’m wrong in the comments.
He gave up the chance of being in effectively heaven to give his life saving a planet and an entire civilisation that would never even know he existed.
Starfleet to the end.