Why did the warden say it was almost time to paint her nails?

The warden said it was almost time to paint her nails as a way to signal that she was preparing to relax or take a break from her responsibilities. This phrase often implies that she is transitioning from a serious or work-related mindset to a more personal, leisurely activity. It can also suggest a moment of self-care or a desire to indulge in something enjoyable amidst her duties.