What about them rhymes I've been jottin', they are kind of giving me confidence
This is Eminem’s reason for the transition from pessimism to optimism in the previous line (from “Why bother even trying to put up a fight” to “a lightbulb just lit up in my conscience”):
He feels proud of his early attempts at writing raps (probably in the back of class, a common claim among rappers), and first learned to gain confidence from them.
It is at this rhyme that the beat changes, to become less dark & more optimistic.
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