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.
You walk into a room with a rabbit holding a carrot, a pig eating slop, and a chimp holding a banana. Who is the smartest animal in the room?
Without a bridle or a saddle across a thing I ride a-straddle. And those I ride by help of me though almost blind are made to see.
I am pinched by grandmas
Never resting, never still. Moving silently from hill to hill. It does not walk, run or trot. All is cool where it is not. What is it?
No matter how little or how much you use me, you change me every month.