Answer: 
Obsessive-compulsive personality disorder 
Step-by-step explanation: 
Obsessive-compulsive personality disorder(OCPD) is a psychological disorder that is related to neatness, perfection, organization, and orderliness. These types of people always need to impose their standards on others. 
Symptoms: 
- Very hard in expressing their feelings. 
- Face difficulty in maintaining a relationship with others. 
- They are hardworking make them inefficient because of their perfection. 
- Face anxiety due to depression 
Thus here Rennet demonstrates the symptoms of obsessive-compulsive personality disorder.