Starlight Glimmer knew magic was only half of what she needed to make ponies see her way. Double Diamond just knows that he will be much carefuller about listening to Starlight Glimmer.
Ever since Rarity knew she was a filly, she knew what it meant to be a lady. Her prince would sweep her off her hooves any moment now, if only she were a little more lady-like. That's what she tells Twilight, anyhow.
Rarity lived her whole life dreaming of Canterlot, but sometimes the sweetest of dreams can strangle the real, and ponies can get hurt in the process. Rarity just wishes it hadn't been somepony who loved her.
Rarity has found a new hobby in meditating with Fluttershy, and through months of practice, she's not only learned how to listen to nature, but also how to read ponies and the inner feelings they hide. But she never wanted to read her best friend.
A few years after Luna's return it seems that Equestria will finally know an era of peace and appears to be on the verge of a new renaissance. Ponies are happy. Luna is recovering. Celestia is miserable.