Answer:
Proof you've done your time in school
No matter how little or how much you use me, you change me every month. What am I?
Ch side by side, you are inside.
Very helpful if you intend to go gently down a river.
What is always on its way but never arrives?
When is it bad luck to see a black cat?
Easy
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?