taking it a sentence at a time:

> I probably took more than anybody could survive.

> -> I did so many drugs I should have died [from an overdose].

> I was banging 7 gram rocks

> -> I was taking 7 grams of hard drugs [crack cocaine, probably] at a time.

> That's how I roll.

> -> That's the way I am.

> I have one speed.  I have one gear: Go.

> -> I take chances, I take risks, I don't care about the negatives.