Answer:
I hatch without food
The more you take away from it the larger it becomes. What is it?
There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies. What is it?
I am a box who holds keys but not locks. With the right combination I may unlock your soul
I hold two people together but touch only one.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.