Answer:
What fastens two people yet touches only one?
What never asks questions but receives a lot of answers?
What hatches without food?
Ch side by side, you are inside.
What starts with a T ends with a T and is full of T?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.