We do it in the Library

Sometimes you suddenly see people differently. You see it in schools all of the time; when people reach a certain age they begin to look at people who they have looked at in class for years, or passed in the corridors every day, and suddenly they see something more. And sometimes, people are very surprised by what they see. -- Alternate 7th year for Draco, 6th year for Ginny. The battle hasn’t happened, and Draco hasn’t been as naughty as his "real" counterpart.