Additional contributions by MixMassBasher.

To Yona,

Girl! We shall travel to the highest peaks of Equestria and forge new stories!

-Rockhoof

Yes sir.

-Yona

Dear Starlight,

Can't you just make another time travel spell to bring Rockhoof back to the past?

Your Headmistress,
Twilight Sparkle

Dear Twilight,

Sorry. Those type of deus ex machina solutions are reserved for season finales only.

Your guidance counselor,
Starlight Glimmer

Dear Rockhoof,

Ve need another veplacement for our staff, besides yourself, because you broke our stallion stud.

Signed,
Aloe und Lotus

Dear Vacuum Cleaner,

So, how's the fire breathing competition going with Smolder? I need a larger fire from you if I want to get myself a new and improved oven.

Your Headmistress,
Twilight Sparkle

Dear Rockhoof,

If you want to stay hard for a rather long time, I've got just what you need.

Please meet me in my quarters tonight.

Sincerely,
Headmistress Twilight Sparkle

P.S. Bring Gallus. He doesn't have enough homework? I'll give him all the homework he can handle.