Did something terrible happen to Marta?
Post Traumatic Stress Disorder (PTSD) occurs when a person has experienced a trauma. It is often caused when the person is unable to initiate his or her flight or fight response. As a result, their body is flooded with adrenaline, which can alter the way the body reacts to future stimuli.
It is common in soldiers returning from combat, victims of physical or sexual abuse, and survivors of natural disasters.
Is Marta suffering from Post Traumatic Stress Disorder?
One possible interpretation of How To Be A Good Wife is that Marta is suffering from Post Traumatic Stress Disorder. If you believe that something terrible happened to her in her teenage years, an event in which perhaps Hector is implicated, then you will be interested to hear more about from what Marta is suffering.