Answer:
What is often returned, but never borrowed/
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
Within, I clean all that is bad and is old. I make juice thatโs the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.
Of no use to one, Bliss to two. Men lie for it. The babyโs right,
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
Iโm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.