Answer:
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
What is often returned but is never borrowed?
The more you take, the more you leave behind.
When there is fire in me then I am still cold. When I own your true loveβs face then you will not see me. To all things I give no more than I am given. In time I may have all things, and yet I can keep nothing.
A skin have I, more eyes than one. I can be very nice when I am done.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?