Twilight asks Pinkie how she does all the stuff she does and Pinkie tries to explain it by explaining the nature of their world.

Inspired partially by the idea of CHIM from the Elder Scrolls games, one of the more meta things that doesn't crop up much in the games but very interesting.

And credits for the title image:
Sugar Cube Corner Kitchen vector by tdreyer1
Pinkie Pie Worried vector by Xigger
Pinkie... What? vector by thehellbean