They're just memories. People over react about it.

[It was as close to honest as Barron was going to get. The rest of it, the forced closeness and the eye contact, that was a new kind of horrible that Barron wasn't used to. But he looked Prefect straight in the eye. What other options were there?]

Do you really think you'd be able to stop them? [Barron managed a wan smile.] Even people like Arthas?