Easy Riddles and Answers

Question: What's small like a mouse but protects like a lion?

Question: What is it you like to kill, but actually kills you?

Question: I dig out tiny caves, and store gold and silver in them. I also build bridges of silver and make crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs my help, yet many people are afraid to let me help them. Who am I?

Question: What Two Things Always Ask A Question But never Answer It?

Question: What do you have that I use more than you do?