We’re not meant to entirely understand the exchange between Mrs. Wahdati and Abdullah in this scene, but it’s also apparent that Abdullah knows more than he’s letting on. The story of the
div, his promise to stay close to Pari, and Mrs. Wahdati’s mysterious visit all suggest that Abdullah can sense that the Wahdatis are about to have a hand in breaking up Abdullah’s family. At the very least, Abdullah can tell that something bad is about to happen, and this is what makes him cry.