A lifetime of blows tends to make a person unenthusiastic about any unnecessary interchange that might lead to more. Nothing friendly has been said or even hinted at and much hostility has been shown.
Phædrus the wolf. It fits.

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Quote text and notes from Wikiquote: Robert M. Pirsig (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.