Answer:
I move without wings between silken strings. I leave as you find my substance behind
If you have me you want to share me. If you share me you don't have me. What am I?
Roast, boast, coast, post. What do you put in a toaster?
I have two bodies joined together as one. When standing still, I run and run. What am I?
I am there when you sit, but gone when you stand. What am I?
I have feet on my head