Vic Vela: Like most first-time moms, Catherine Cho was nervous about being a mother. It's such a life-changing experience, especially for a highly accomplished literary agent who is far more comfortable managing the egos of writers than changing diapers. Catherine was 30 years old when she found out she was pregnant. Catherine Cho: And so it seemed kind of destined, because my mother had been 30 when she had me. And so was my grandmother when she had my mother. Vic Vela: All the signs in her life were saying this was meant to happen. But when Cato was born, something inside of Catherine snapped. The stress and anxiety of being a new mom triggered postpartum psychosis, something that affects almost two out of a thousand new moms.