Answer:
What is harder to catch the faster you run?
kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
Everyone has me except for a few. You may not be able to identify me but I can always identify you. What am I?
I have cities but no houses I have mountains but no trees I have water but no fish. What am I?
No matter how little or how much you use me, you change me every month.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic