Answer:
What is black when you buy it red when you use it and gray when you throw it away?
I am rarely touched but often held and if you are smart you'll use me well.
Who plays when he works and works when he plays?
Late afternoons I often bathe. I'll soak in water piping hot. My essence goes through. My see through clothes. Used up am I - I've gone to pot.
What has a head and a tail but no body?
I flow from the Homerβs mouth when he sees doughnuts.