What did manny feel horrible about parrot in the oven?

In "Parrot in the Oven" by Victor Martinez, Manny feels horrible about his family's struggles and the burdens they face. He is particularly affected by the harsh realities of poverty and the impact it has on his loved ones. His feelings of guilt and helplessness are compounded by his desire to protect his family while grappling with his own identity and aspirations. This internal conflict represents the broader challenges faced by many in his community.