So before the madness grow, I speak what they have to know

from XV – Smallville Lyrics on Rap Genius

Meaning

XV is going to speak the truth before the madness (placed there by Leo DiCaprio) grows. Also a reference to another Leo DiCaprio movie, Shutter Island. In the movie a DiCaprio plays Edward “Teddy” Daniels. There are two possibilities in the film:

It’s a psychological thriller that one would have to watch to fully comprehend.

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