Answer:
I am three simple words everyone wants to hear. Three simple words such simple words and yet...life changing...
I am the kind of ant that's good at math.
What can you catch but not throw?
It flies around all day but never goes anywhere? What is it?
I have green hair a round red head and a long thin white beard.
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.