Answer:
Post-traumatic stress disorder
Step-by-step explanation:
Post-traumatic stress disorder is a mental disorder that affects the mental health of an individual who has been involved in a traumatic event or has witnessed events that are terrifying, shocking and distressful. The sufferer usually experience a series of uncontrollable flash backs to the awful event with constant anxiety, months after the traumatic event took place.
Cordella is obviously experiencing post-traumatic stress disorder as she continues to feel distressed and disturbed by the traumatic invent that occurred two months ago that she was involved in, which took the life of her friend.