Answer:
I move without wings, between silken strings. I leave as you find my substance behind. What am I?
I am not alive but I grow I don't have lungs but I need air I don't have a mouth but water kills me. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
What gets sharper the more you use it?
If you lose me, you may cause people around you to lose me too. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?