The justice department because it is the one that help them to have something in common.
The answer is a delusion.
Robert is exhibiting delusion due to his depressive disorder. A delusion is a kind or characteristically a symptom of mental disorder which made a person having a distinctive belief or impression that is positively maintained despite being opposed by what is generally accepted as reality or logical argument just like what Robert portrays.
Stress is a physical response of our body to a stimulus. When stressed, the body thinks it is under attack and switches to “fight or flight” mode, releasing a complex mix of hormones and chemicals such as adrenaline, cortisol and norepinephrine to prepare the body for physical action.
Maintaining a state of stress for long periods can be detrimental to health. The results of elevated cortisol levels may be an increase in sugar and blood pressure levels and a decrease in libido.