        It felt as if there was something more here, though.  Her relationship with Luna seemed to have gone downhill since her brother and Princess Cadance had gotten married, and only recently was beginning to rise.  The more she thought about it, the more she wondered.  It was convenient—perhaps too convenient—that Luna had somehow entirely missed the changeling invasion, failing to arrive on the palace grounds until after the second attempt at the wedding.  And her attitude towards Twilight had been a little bit frostier than normal, especially when Princess Celestia had sent Twilight and her friends to the Crystal Empire….