[His unbelievable faith and trust in her is something Shayera may never get over. And he even goes on to emphasize that to John? Shayera swallows to prevent her tears from leaking out.] Yeah. It was a no-win situation. If I followed my planet, Earth would be destroyed. If I saved Earth, my people would despise me.

You know the rest. [Or at least, most of it.]