This is a song about a man who knows exactly what he is and resents being asked to be better. He agrees with her assessment that he's 'no good,' can't cure anything, and has to dip. But instead of accepting responsibility, he turns her disappointment into proof that she never really loved him at all. The blame gets flipped. She wanted the wrong version of him, so he gets to stay exactly who he is.
She said, 'Boy, you ain't no good,' bitch, I know / Fuck I'm 'posed to do 'bout that? I'm gon' go
He admits she's right, then immediately uses that agreement as permission to leave. The hostility in 'bitch, I know' shows he's angry at her for saying what he already believes about himself.
I can ease your mind if you goin' through somethin' / That don't mean I can cure depression
He offers emotional labor with one hand and withdraws it with the other. This might be self-awareness, but it sounds more like a disclaimer. He wants credit for care he has already said he can't actually provide.
She said 'Boy, who you been with?' 'I been low' / She says she don't believe that shit, she think I'm gross
He lies, she catches him, and instead of acknowledging the lie, he makes her distrust the problem. The word 'gross' flattens her actual reaction into something petty and irrational.
Have I been wrong? / Have I been gone too long to know where I belong?
This is the only moment he questions himself, but it is vague enough to avoid real accountability. He frames it as philosophical confusion rather than addressing any specific thing he has done.
You ain't fall in love with me / You fell in love with the man I could be
The narrator's blindspot is right here. She did fall in love with the real him, the one who admits he's no good and has to leave. That is precisely why she is disappointed. He thinks this accusation defends him, but it actually proves her point.
This song works because it sounds like honesty. He admits he is unavailable, unreliable, and has to leave. But that admission is a strategy, not vulnerability. By the end, she is the one who messed up by wanting more. He gets to stay the same and make it her problem for noticing.