This is the story about a preschool Lily Longsocks, (the pony with the "creepy" super strength from season five) and her journey to become somepony else. A tragedy combined with the constant feeling of being small and clumsy causes her to decide that she needs to be somepony other than Lily.
This characterization of Lily is a sort of prequel to How Lily got her Creepy super Strength so she doesn't have her strength yet. She is just a young filly finding her way.
This is also a story based off of someone that I know... me. when I was a young kid I had a really hard time fitting in. (Sometimes I still do). Especially at school. So, to cope with it I would often try to become someone else that I admired or that I thought had it all together (real or fictional). I would try to copy everything from their looks to their way of thinking and mannerisms. If i was like them, then I wouldn't have the problems that I did, like fitting in. I especially did so when I had to deal with other troubles that come in life like bullying or being rejected by would be friends. It not only felt as if it removed me from the problem but it also also felt as if it removed me from what I didn't like about myself.
This wasn't a long episode in my life and I was pretty young but there were things that I learned from it which I have never forgotten and never will.