Answer:
I am rarely touched but often held. If you are smart you'll use me well. What am I?
When you need me, you must find me. When you find me, you no longer need me. What am I?
What flies without wings?
I'm white and I'm used for cutting and grinding. When I'm damaged people usually remove me. What am I?
I get dirty when wiping things clean. What am I?
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?