Answer:
If you have it, you don’t share it. If you share it, you don’t have it. What is it?
I start in little but I end in full you'll find me in half and complete.
Although I am still, in families I run. I continue to live on in a living one. As one continues to draw breath, I will not rust. However, when one stops drawing breath, I will become mere dust. What am I?
cloud is my mother wind is my father.
You use a knife to slice my head but you weep beside me when I am dead
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.