Answer:
Who lives in a house with one bedroom, 50 hallways, and ghosts lurking everywhere?
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.
It's in your hand though you can not feel it. Only you and time can reveal it.
A doctor might remove one from the neck of a Dracula victim.
What begins and has no end? What is the ending of all that begins?
People take me on walks and I run and have fun. What am I?