"I'm more than that. For you, I'm much more than that. I have choices, Lex Luthor, and right now, I choose to be someplace you are not."

Kal learns all the time, adjusts himself to Lex. He's made to be what Lex wants, even if Lex isn't sure what he wants. Or, he could just be acting out according to clues he picks up from Lex, to seem as though he has self-will.

If I tell you now, the story's done! *G*