[Well, Lucy is Lucy. She isn't any less Lucy when she's City!dead, even if she is less happy and not-quite-alive.

He closes his eyes like a contented cat.] That--what you said--is very beautiful, and maybe I can be a hero for you. [teasing] It isn't the same as saving a ship alone or single-handedly keeping the Earth from being destroyed, of course, but it will do.