Why does amir not want to adopt a baby with Soraya?

Amir is hesitant to adopt a baby with Soraya due to his deep-seated feelings of guilt and shame over his past actions, particularly regarding Hassan and his betrayal. He fears that bringing a child into their lives might not only complicate their relationship but also serve as a reminder of his unresolved issues. Additionally, Amir grApples with the idea of legacy and whether he is deserving of the joy of parenthood, given his past. This internal conflict ultimately leads him to delay the decision to adopt.