Quote
Originally posted by IolantheAlias:
You know, my first thought was "PTSD". This was before I read everyone's comments, really.

Poor Clark. He has another issue in that he's so strong and has so many powers, so he could really hurt someone unintentionally if he messes up.
Clark really doesn't want to hurt anyone. It scares him that he might wind up doing so. He feels guilty over what happened in the arena, and now that he's home, he wants to put everything behind him--but that's going to take some time.

"Oh, you can’t help that," said the Cat: "we’re all mad here. I’m mad. You’re mad."
"How do you know I’m mad?" said Alice.
"You must be," said the Cat, "or you wouldn’t have come here.”

- Lewis Carroll, Alice in Wonderland