Answer:
While you were folding a letter you got me. Usually you will do whatever it takes to avoid me but now you can't help but find me.
When you stop and look, you can always see me. If you try to touch, you cannot feel me. I cannot move, but as you near me, I will move away from you. What am I?
I am a tool for fairies.
I run smoother than any rhyme I love to fall but cannot climb.
I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.