On the eve of the family’s trip to Iran, Mom suddenly begins treating Darius like he’s more Persian, such as by calling him Darioush. While Darius is often proud of his Persian heritage, it’s clear here that he doesn’t always find it comforting and a point of pride: he knows that Trent would abuse any more insight into Darius’s Persian culture than he already has. However, Darius begins to reorient himself away from Trent and toward his family when he considers his grandfather. Darius is clearly very concerned with conventions and how he believes he should feel and act—and it seems as though this concern keeps him from doing or saying anything to express either excitement or grief at meeting his grandparents for the first time.