I'm 'bout to relish in this anguish,
Earl’s anguish is what makes this, and other songs, interesting, so he thrives in it. Ironically, his songs will be bringing him a lot of cash, so the anguish will result in joy. Relish on, Earl.
He’s referring back to his previous line. He’s ignoring your advice even though he knows it might be what’s best for him. The pain of his consequences are outweighed by the satisfaction he got from making his own decisions.
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