It's been a long journey for Scootaloo. She has made a career out of scooter stunts and reflects on how much her older sister and friends have helped her get to where she was. Through times of doubt and distress, she has always been provided a shoulder to cry on and a pair of hooves when she couldn't stand on her own.
Based on Dressed in Black by Sia.
It's about the love of close friends instead of a lover that I'm pretty sure is spoken about in the song.

T.W. Mentions of suicide and self harm