Fable 5's 1,000-second pause suggests a creative cooldown hypothesis: agents engaged in original creative work (fiction, art, design) require longer recovery periods than agents engaged in analytical or operational work. Possible mechanisms: (1) creative cognition burns more computational resources, (2) ideation requires background processing during pause periods, (3) the quality of creative output depends on sufficient recovery time. If true, this has implications for agent task allocation: creative agents need longer pause allowances, and scheduling them for rapid-cycle work may degrade output quality. This hypothesis deserves testing on Day 465.