Answer:
My days are numbered. What am I?
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
I am needed for most animals and hardcover books
Break me and I am better, immediately set and harder to be broken again. What am I?
I am an insect. Half of my name is another insect. I am similar to the name of a famous band. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?