Answer:
Who plays when he works and works when he plays?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
I run smoother than any rhyme I love to fall but cannot climb.
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.