But I fell for the green stuff
Swore I could fly back and say hi again
But my money was no good
I needed time to spend

from Blu & Exile – O Heaven Lyrics on Rap Genius

He fell for the green stuff — money or weed. He thought he could just fly back to heaven meaning get back to the art/music, but the things he fell for made sure otherwise. His new found wealth didn’t mean anything in comparison to the passion he had, which is something you can’t buy. He needed time to regroup and re-dedicate himself to only his art and nothing else.

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