Andrew is working to throw off the repressive blanket under which he was raised. Cursing was greatly frowned upon, as you might imagine. Andrew has become comfortable with "darn" and "shoot" and "golly". The gulf between those and "real" swear words seems rather insurmountable to him. As a next step he has started using descriptions: "You are really the mother of a dog!" and "Cow dung!" and "Crude word for intercourse!" Every so often he throws in an "Epithet!" to help him get used to cursing in one syllable.
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