Answer:
Squeeze me and I cry tears as red as my flesh but my heart is made of stone.
I will go within you and destroy you. Only because you wanted me too
Face with a tree skin like the sea. A great beast I am. Yet vermin frightens me.
The more of me you take, the more I appear behind you. What am I?
I have a brother. However much we run we do not reach each other.
It's what light turns into in the night