Why does grayson feel good after maniac says if you try to make my go to school I'll just start running?

Grayson feels good after Maniac's declaration because it reflects Maniac's strong spirit and determination to maintain his independence. Grayson admires Maniac's refusal to conform to societal expectations, seeing it as a sign of resilience. This moment reinforces Grayson's belief in the importance of personal freedom and choice, resonating with his own values. Ultimately, it highlights the bond between them, as Grayson respects Maniac's individuality.