Answer:
If you have me you want to share me. Once you share me you won’t have me.
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves everyday
You can never eat me for breakfast or lunch. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
What language does a billboard speak?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic