Answer:
I fly away as soon as you set me loose. People around you may slowly move away once they sense my presence.
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?
I am an instrument you can hear but cannot touch or see. What am I?
Break me and I am better, immediately set and harder to be broken again. What am I?
My first is high my second damp my whole a tie a writer's cramp.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.