Answer:
I am a word. I become longer when the third letter is removed.
Take it and you will lose or gain more than the others.
No matter how little or how much you use me, you change me every month.
Drop me and the world will shatter. You can always find me where you empty your bladder. What am I?
I hatch without food
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.