It's not nice to put yourself down
Ken was writing an essay on his computer, but the power went out, and it wasn't saved.
Ken wants to talk to himself.
Ken reminds himself that it was just a mistake and that he couldn't predict the power going out.
Ken tells himself that this is what he deserves and that he doesn't deserve a good grade.
Ken feels better about himself and is able to forget his mistake.
Ken starts thinking more negatively and becomes depressed.