It's not easy growing up in this sector of space. It's a place ran by fanatics, warlords and corporate empires of all sorts. The CMC are about to enter adulthood in one of the most violent eras of pony history.
Scootaloo had been without a family for a very long time. She has never told anypony about her situation. It isn't until a certain purple unicorn learns about her origins that she discovers what a family truly is.