Answer:
How can a pants pocket be empty and still have something in it?
Touch this and you'll regret it. But if it's cold, you won't forget it. What is it?
A house where you are brought, If they find you or get caught. If you cross the government, This is where you will be sent.
You can break it or drink water from it.
How do you spell hard water with only three letters?
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.