From @The_house_of_DERP

"I dare Luna to get her own student (kinda like how Tia has Twilight)"

Luna: uuuuhhh ok.... Flies into ponyville *looks around for a moment* AHA YOU!

Lyra:who me??

Luna: No the pony behind you!!

Lyra:*looks behind herself* that's a potato sack.

Luna*tears well up in eyes* he's perfect.*grabs potato sack* ONWARD TRUSTY STUDENT WE SHALL FLY

30 minuets later~

Luna: the time has come Potato Sack- that's such an odd name by the way- anywho you are now a princess!!! *tapes wings and a gown on to the potato sack* they grow up so fast!