Answer:
-throw in the towel
abandon a struggle;admit defeat
It isn't simile, because there is no comparison to anything, and it isn't ironic.
In the book The Catcher in the Rye by J. D. Salinger; Mr. Antolini gives us a new perspective: education is of inherent value itself, it’s a way of connecting to people who feel just the same things you do.
When he talks about a reciprocal arrangement, he refers to the fact that at a certain moment, one learns about the experience and mistakes of others.
And the cycle repeats itself, when you have made your mistakes you have to return the favor by guiding someone else.
This is called "a beautiful reciprocal arrangement".
