Answer:
Trauma
Step-by-step explanation:
Trauma is prolonged emotional reaction to a perceived terrible event like an accident, or natural disaster or in this case unpleasant childhood memories/parental abuse like Nate is experiencing. It is usually characterized by immediate shock and denial after the event may have occurred. Longer term symptoms could include unpredictable or negative emotions, unpleasant flashbacks, and even physical symptoms like headaches or nausea.