Answer:
He is dissatisfied and feels disillusioned with his surroundings.
Step-by-step explanation:
This passage conveys the idea that Krebs is dissatisfied and disillusioned with his surroundings. In this text, we learn that Krebs told lies, and that these lies created a distaste in him for everything that had happened to him. Added to this distaste, Krebs felt like his past lost "its cool" and that everything he had ever had that had been of quality was now lost. All of this indicates a high level of unhappiness and disillusionment.