Answer:
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
The more you take, the more you leave behind.
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
It's in your hand though you can not feel it. Only you and time can reveal it.
What hangs others yet can unintentionally hang itself?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.