Answer:
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
There are four of us but it seems like everyone loves spades the most.
I am heavy forward, but backward I'm not. What am I?
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.
I cut through evil like a double edged sword and chaos flees at my approach. Balance I single-handedly upraise through battles fought with heart and mind instead of with my gaze.
Give it food and it will live, give it water and it will die.