I went to school in Canterlot so 90% of my classmates where unicorns. A teenage unicorn with no latent for magic got nothing on a good old fashioned kick!
A simple story for a simple shirt.
I was never on good terms with my “mother” after I got my cutie mark.
Changelings are more like robots then living beings. So don’t feel sorry for them.
The fact it even managed to make itself a cocoon is really unusual.