Answer:
Born of sorrow, grows with age, you need a lot to be a sage. What is it?
I am an animal and a hair product
I row quickly with four oars, but never come out from under my own roof. What am I?
My days are numbered.
What goes up but never comes down?
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.