If you have me, you want to share me. If you share me, you haven't got me. What am I?

You cut me, slice me, dice me, and all the while, you cry. What am I ?

I'm an instrument through which sounds are made, and yet, not something that can be played. What am I?

The more you take, the more you leave behind. What am I?

What is as light as a feather, yet no person can hold it for long. What am I?

I have a tail and a head, but no body. What am I?

Until I am measured, I am not known. Yet you miss me when I have flown. What am I?

If you drop me I'm sure to crack, but give me a smile and I'll always smile back. What am I?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

I have four wings, but cannot fly, I never laugh and never cry; On the same spot I'm always found, toiling away with little sound. What am I?

I can fly but have no wings. I can cry but I have no eyes. Wherever I go, darkness follows me. What am I?

I have many teeth but I can't bite. I'm often used early but rarely at night. What am I?

I have a bed but I never sleep. I have a mouth but I never speak. What am I?

You go at red, but stop at green. What am I?

I'm (usually) white and used for cutting and grinding. When I'm damaged, humans usually remove me or fill me. For most animals I am a useful tool. What am I?