EDIT: changed title from Recovery to Healing

Ever since the Tirek incident Fluttershy has just gotten worse and worse. She's grown depressed and keeps her feelings pent-up inside, barely leaving her cottage. But this proves to be too much for her and after one stray thought, everything that's been piling up inside spills out.
When Discord sees just how much he's hurt her, he takes it upon himself to heal all the damage he's caused.
The process will be long and slow, but he needs to be there for her and assure her nothing like that will ever happen again; he needs to prove just how much she means to him.

Things are hard in Ponyville for Fluttershy and Discord; mainly because of Discord. But when magic starts to go on the fritz and eventually starts failing altogether, it's up to the main six and the Draconequus to find out what's causing it and, more importantly, how to fix it.

This would be a lot easier if anypony trusted the King of Chaos to begin with, but with bigger problems on the horizon, some things will have to wait to be dealt with. Like trust. Or loyalty. Or friendship.

Of course, sometimes what we think isn't important to deal with right now, is exactly what's needed to prevent things from getting far, far worse.