Why did Maniac make a spectacle of himself the night of the concert?

Maniac made a spectacle of himself the night of the concert to assert his identity and break free from the constraints of his past. By performing wildly and drawing attention, he sought to express his individuality and connect with the crowd, showcasing his desire for acceptance and belonging. This act also highlighted his internal struggle and need to overcome feelings of isolation. Ultimately, it was a moment of liberation in his journey.