Answer:
I have a neck but no head arms but no hands. What am I?
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
I am heavy forward, but backward I'm not. What am I?
I fill a room but take no space.
Die without me, never thank me. Walk right through me, never feel me. What am I?
No matter how little or how much you use me, you change me every month.