Answer:
I sit in a corner while traveling around the world. What am I?
I am the book one can never finish reading
I have two bodies joined together as one. When standing still I run and run.
I am free the first time and second time but the third time is going to cost you money.
You get embarrassed when you stand on me when everybody is watching. Women don't like to talk about the number they see on me. Everyone stands on me when nobody is around
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.