What if Spike started growing again? What would he do? More importantly, how would it affect those around him?

I thought of this while browsing through some tumblr posts. One in particular sparked my interest to write.

http://ask-twilightsparkle.tumblr.com/post/10989344989/gah-sorry-i-had-to-reupload-it-for-good

Big thanks to FallenInTheDark on Deviantart for making the cover picture!