Run

'When am I going to tell them, how will they look at me now? Why did this happen in the first place, if they just listened?

Ever since Bats! On a full moon everynight Fluttershy turns into a bat pony. She's kept it secret for years but one day it just blows, what does she do now? Twilight is also torn when the spell didn't work and is overloading herself with research on how to fix her mistakes and AppleJack regrets everything in the episode of Bats!