I know.

[His gaze drifts to the floor. He's stupid and he'll die. It's not what she said, exactly, but he knows both are true.]

If not for Nami, that woman would've killed me. But Asa . . . I'd rather die than betray the person who taught me everything.

[Even though he doesn't want to die, he wouldn't be able to live with himself if he were to forsake his cherished principles. So he won't. He can't.]