Answer:
What gets broken without being held?
What is something you can give away as many times you want without ever losing it?
Two year-old children who throw tantrums get this nickname. So did the tsar "Ivan."
What has no hands but might knock on your door, and if it does you better open up?
What is so delicate that saying its name breaks it?
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.