Answer:
I am so delicate that even mentioning me breaks me. What am I?
I save lives on the ground and in the air. What am I?
I am easy to waste. I am unstoppable. What am I?
The warmer I am the fresher I am.
I am a little piece of paper, yet sometimes hold lots of value. I am all you need to get into big events, but will cost you. I am an important part of travel. And if lost, you're not coming. What am I?
What made Cyclops quit teaching?