Best Jokes and Riddles

#31

And the answer to the previous riddle is a cabbage.

Most of the things we desire in life are expensive.
But the truth is the things that really satisfy us are absolutely free--- love, affection, care, friendship.......
Never miss them:)

And the riddle
When people buy me I am black. When they use me I become red. They throw me out when I become grey. What am I?
Comment your answers.
Answer will be on next chapter.

Note: Hi everyone. Thank you all the readers for 455 reads and 85 votes. You all are a special part of my life.