What Am I Riddles

Question: Its pure body is destroyed after it meets Miss Gold. It can get shorter when it gets older but wind will extinguish it. It love to glow. Breath is its foe. What is it?

Question: Some people peel my skin some people don't, you eat me nevertheless, with or without, what am I?

Question: Without me you will not live. Without me you will not love. Without me you have no courage,what am i?

Question: I'm tall when I'm young and I'm short when I'm old.What am I?

Question: Countless blades that bend with a touch,
exploited by kids who want to make a buck.

What am I?