Having Thought

 Offisa Pup also realizes he can never know Krazy's thoughts. There is more than one reason for that.

Exchange of Thoughts: Fair But Uneven

 "He has a thought. He dares to harbor one in his head right in front of me!"

Ignatz thinks thoughts that Offisa Pup would never come up with on his own. This puts the mouse at an advantage.

IGNATZ HIDES HIS THOUGHTS

Offisa Pup is disturbed when he realizes that he can't see or hear what Ignatz is thinking.