Love Waits

Nut has always had a crush on Mac, although both are close friends and Mac already has a girlfriend named Ploy. Nut always gives Mac advice whenever he and Ploy are arguing. But no matter how many times Mac announces that he will break up with Ploy, in the end, both of them will go back and reconcile each time. How does Nut deal with her feelings for Mac?
(Source: Seven Rain at MDL)