Answer:
I am always around you but often forgotten. I am pure and clean most of the time, but occasionally rotten. What am I?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
I run smoother than any rhyme, I love to fall but cannot climb. What am I?
What has 13 hearts but no other organs?
What kind of band never plays music?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.