Dear Cup Cake,
You're a cheating, lying slut. So your great aunt's second cousin twice removed was a pegasus? Then how did those genes get passed down to you? And I may not know much about genetics, but I know a lot about not making sense, and while I can see an atavism occurring several generations later, I don't think an entire breed of pony will pop up after five or six generations of earth ponies.
Yours sincerely, Discord
Meh, I've always been of the idea that Carrot Cake knows what's happened, but decided to stay with Cup Cake anyway, and used that ridiculous lie to save face
4286530 I already faved it.