Answer:
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
What word has kst in the middle, in the beginning, and at the end?
Long and slinky like a trout, never sings till it's guts come out.
There are millions of me. I am very small but when moving fast I am deadly.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.