Going to the dentist should be a relatively simply affair for Derpy. It should contain things like dental floss, mirrors, drills, and all around general well-being of the oral cavity. It should not contain a whole lot of words, particular if those kinds of words aren't the most appropriate things to be saying when you've got your hooves in another one's mouth.

Special thanks to Setokaiva for proofreading. Turns out that is as half important as I thought it would be.

He was a thousand-year-old tyrant unicorn with a heart as black as night, she was a twenty-something confectionery worker, it could never have worked. Yet, with a bitter cold winter upon Equestria, two lonely souls come to discover that you shouldn't worry over what you once had, be it a solid relationship or a mighty empire with a ton of slaves, but rather that you should simply learn to appreciate the simple things that life can offer you.

Elsewhere, Princess Celestia attempts to stop a nuclear war with the newly reformed Crystal Empire.

Twilight casts a spell on Spike and tells him to go and talk to as many ponies as he possibly can. A simple enough task for the dragon, until he sees just what kind of effects this particular spell is having on all the ponies he meets. Ranging from the usual gang that Spike is familiar with, in addition to many others, this little dragon sees far and wide just how strange everypony can be and the alarming swings in personalities they all display, and eventually... well, that's just the incredibly small tip of an incredibly large iceberg...