Possible Clues:

• Not endless
• Having limits, not open-ended
• Bounded around home, healthy, and with energy
• Delicate about it when it so comes to an end
• Limited and all right about it
• This has an end but it is not at the end
• Limited in size
• Impermanent
• Bounded or limited
• Sounds as if there's a clear sky tonight, but that will come to an end