Well, originally the idea set for this scene was that Fluttershy has been captured by a villain and Dash is determined to find her at any cost. And that's it, didn't give much of a thought on the idea. 'XP
It's funny how people with opposite personalities can work, and how they're paired together. It's sweet though with these two.
They look really cool. I love how you styled Rainbow's hair for her human self, and gave them a personal style of clothes that really matches their taste and personality and such.
The two last pictures are my favorite. Kid Rainbow and Fluttershy are too cute, and the second-to-last really reminds me of Maximum Ride in the comic form (the main characters in that story are kids who have wings). I'd probably be halfway between them...sometimes with band-aids that showed I liked to play around outside and other times shy and not wanting to be rowdy.