Twilight is showing Celestia her new invention – an advanced lie detector. Without her knowledge, Luna and James asked her friends to join the presentation. But that shouldn't be a problem. After all, the mane six has nothing to hide! … right?
Equestria is in general a really kind, wholesome place. You've been around the block a few times, and seen your fair share of hardship. But honestly? Some of the slang that these ponies seem to be worrying about is just... out of line.