Answer:
it's when you motivate yourself negatively. Or just a punishisment based boosting method to make you stop doing a certain thing. (Smoking, drugs, etc.)
Parallelism means giving two or more parts of one or more sentences a similar form to create a definite pattern, a concept and method closely related to the grammatical idea of parallel construction or structure, which can also be called parallelism.
The phrase of "ain't got nobody" is saying that because is talking to yourselves care about yourselve love yourselve