She probably lost a bet.
It’s another sketch I finally finished. I will do another one like that. And maybe it will be the last one before leaving everything to play pokemon.
Just watched S4E8; notice that when the Mane5 jump up together to celebrate their fun afternoons, Rainbow Dash’s arm is wrapped around Twilight and pulling her in close.
In contrast, no one else is wrapping their arm around anybody else or committing any funny business. Hmmm.
TWIDASH CANON CONFIRMED