After learning that Discord is extremely unhappy about something, Fluttershy suggests that he write down what has been bothering him.

Discord has a LOT on his mind. It's not easy living for eons and growing up as the Spirit of Chaos.

Warnings: [spoiler]Talk of attempted suicide.[/spoiler] And chapter 4 details an [spoiler]abusive relationship.
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The concept of [spoiler]Discord trying to take his own life by jumping off the cliff and denying it [/spoiler]is entirely alarajrogers' idea. The rest of the tale is mine.