Answer:
I move without wings between silken strings. I leave as you find my substance behind
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
I am there when you sit, but gone when you stand. What am I?
I have three feet but no arms or legs
I can bring tears to your eyes; resurrect the dead, make you smile, and reverse time. I form in an instant, but I last a life time. What am I?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.