Answer:
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
I am owned by every man, though my length differs. Their wives use me after getting married. What am I?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around. What am I?
I am rubber you can eat!
I run up and down the stairs without moving. What am I?
When is it bad luck to see a black cat?