Just-Guess

So, I was watching Three's a Crowd, again, when I started to speculate on Discord's role as a character in the fourth season. After all, in Keep Calm and Flutter On, Celestia made it clear that she had a particular reason for releasing Discord, and that she had a particular use for him if he could be "reformed". So, what might that purpose be? Well, maybe it's too soon to speculate (seeing as Discord has only appeared in three Season 4 episodes so far), but I think I'll take a crack at it. One of the main theories I have heard is that Discord is supposed to be Twilight's teacher in some way, that he is supposed to be teaching her lessons tha