"They are. Jor-El told me that they hold all the knowledge of Krypton, and that letting them fall into human hands could mean something really, really bad." And now he thinks he has a better idea of what that could be. What punishment Jor-El is going to dole out for losing another stone, or what comes of it.

Normally he might be amused at her calling him human, but right now it just plain hurts. "But I'm not human. No matter how hard I try to be."