And I replied don't we all
Joe is referring to both himself and everyone in general. He’s saying that everyone is immature at times and that age is really just a number.
He’s implied in previous songs he’s not fully matured yet. Referring to the same drug problems he had when he was younger.
Furthermore he has stated in numerous interviews his battle with drugs, detailing them here for MTV way back in 03'.
“I’m an addict, so [I did] drugs, period,” rapper Joe Budden said a couple of weeks ago in New York, breaking down what kinds of drugs he used to indulge in. “I never did coke, never did heroin, but I did [do] angel dust, weed and pills. Anything you say, I did it.”
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