This story is a sequel to Twilight Sparkle And the Very Confusing Day

There were a few loose ends after Discord, who had turned into Eris, had gone into season and turned the entire world upside down in order to create enough chaos for favourable draconequus breeding conditions. Celestia had released the Flutterbeast upon Eris, restoring order and gender normality all over the globe.

Except not everypony and everybody changed back. Males who became mares and became pregnant, stayed mares, Eris' final parting gift of confusion and chaos in the world.

Both of the sexes are now so much more aware of each other's needs following the events of the Great Swap, and Eris' chaos had the unintentional side effect of creating a new level of harmony in the world, as suddenly everypony and everybody now had first hoof (or firsthand) experience in being the opposite sex.

Eris going into season also created the ideal conditions for the apocalypse.

Edit: Featured on Sunday, April 20th, 2014! Oh my gosh oh my gosh oh my gosh!

Now with 23% more sequel!

Twilight and her friends all get together for a sleepover, looking forward to some well deserved downtime. Discord arrives, standing outside in the rain, pleading for entrance and to come in out of the weather. Twilight Sparkle insists that this is a mares only sleepover, so Discord does the only thing he can do, doing the unthinkable to gain entry.

Once inside, Discord, now Eris, tries to bond with the mane six and learn the magic of friendship.

The mane six fail to take into account the magic of Discord.

Now featured on April 16th, 2014. Thank you all so very much!