Jealousy. The infamous heart parasite, that feeds on and sours most flavors of love. The changelings call it "that which spoils food". For years it has nestled within Big Mac, feasting upon every exploit of Applejack's, every newspaper article bearing her name and photograph, every excited babble of Apple Bloom exaggerating Applejack's feats. He kept it under control, hidden from his family, until now.
And never noticed how much worse she had it.
Takes place shortly after Brotherhooves Social. Contains minor spoilers if you have not seen it.
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