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.
What is lengthened by being cut at both ends?
I am the third from a sparkle bright, I thrive throughout the day and night. Deep in the path of a cows white drink. I've had thousands of millions of years to think. But one of my creatures is killing me. And so the question I ask to thee, is
Two little holes in the side of a hill. Just as you come to the cherry-red mill.
When it is alive we sing, when it is dead we clap our hands. What is it?
I am your mother's brother's only brother in law. Who am I?