Answer:
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.
I am constantly overlooked by everyone but everyone has me.
I can be swallowed, but I can also swallow you. What am I?
I can be any color you can imagine. You see me in everyday life. Look around, you can probably see some of me right now. What am I?
I produce wool and spit a lot
Why is the letter B always cool?