Can't Barely Breathe

Interested to see if the track is about not being able to breathe and/or a metaphor on depression. If so he has a poor understanding of punctuation. If it's about being able to breathe and/or a metaphor of embracing life. Then he has

I can not barely breathe. To breathe is to consume air. To barely do something is to have limitation. If one can not they are unable. One is unable to barely limit their breathing? As in they've embraced life and/or have completely deceased.