Euterpe crosses paths with the protagonists during their arduous journey. In a pivotal moment, the child mouse voices doubts about their purpose, grappling with the futility of their mechanical actions when wound. The father mouse counters by grounding them in their immediate reality: trudging forward as adversaries relentlessly pursue them. Euterpe cuts through the tension with a terse "That’s life," her words steeped in weary pragmatism.

This exchange unfolds after the group’s flight from enslavement, as they navigate the precarious path toward self-governance. Her remark distills the narrative’s existential undercurrents—acknowledging the inevitability of recurring trials and the opaque uncertainties that define their struggle.