Answer:
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
What has 13 hearts but none beat?
Thousands lay up gold within this house, But no man made it. Spears past counting guard this house, But no man wards it.
The more of them you take, the more you leave behind. What are they?
You use a knife to slice my head. And weep beside me when I am dead.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.