Answer:
The faster you run the harder it is to catch me
I am not a toy though many use me for pleasure. I have a butt but I cannot poo.
I am a type of weapon for SCI-FI characters
Lovely and round, I shine with pale light. Grown in the darkness, a lady's delight. What am I?
Bright as diamonds, loud as thunder, never still, a thing of wonder. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.