Good Riddles

Question: When people cut me, I do not bleed. They use me, but then they leave. I die, but then revive. I change my appearance as time goes by. What am I?

Question: When you are born, all you have is me. And even though you're powerless, you are filled with glee. What am I?

Question: You are trapped in a room. There are two doors. If you go in one door, a dragon is going to breath fire on you. If you go into the other door, there is a room made of magnifying glass. And the sun is reflecting off of it and will burn you. How do you escape?

Question: How do you destroy a bully?

Question: he is a king who's good at measuring stuff.