Answer:
Always wax, yet always wane: I melt, succumbed to the flame. Lighting darkness, with fate unblest, I soon devolve to shapeless mess.
What's as small as a mouse but guards a house like a lion?
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground It holds pale gems of blue.
I have it, I donβt share it. If I share it, I donβt have it. What is it?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.