"...thank you."  That was a more straightforward promise of future enlightenment than Oliver was expecting, though who knows if that promise is to be fulfilled.

Does Oliver now just know all the material that was in Robin's catalog?  Can he, for example, remember the cost of a structure that contains sheep?  Does he know its area?  What was the cost of a regular and a large chicken coop?

"...thank you."  That was a more straightforward promise of future enlightenment than Oliver was expecting, though who knows if that promise is to be fulfilled.

Does Oliver now just know all the material that was in Robin's catalog?  Can he, for example, remember the cost of a structure that contains sheep?  Does he know its area in terms of land-square-footprint?  What was the cost of a regular and a large chicken coop?