This is NOT PART of the Pony POV Series main canon.
This is my response to a single insignificant plot point done as a throw away action by the writers.
If you weren't you when you did something, who were you? If you don't remember doing something, where did those memories go? Love Poison Cheerilee and Big Mac, Flutterbat, and Inspiration Rarity, have found out.
Art by Atnalai. http://atnalai.deviantart.com/art/Inspiration-Manifestation-450694456