She's saying that her man isn't pleasing her like he used to and is acting like he doesn't want to be with her anymore. Instead of "thinking if I had no you, then I can't do" she reasserts her self-confidence and figuratively throws the door open, like "Nigga, go if you want to! I'ma be fine!" (and we all know B talks like that, come on...)
also:
"It's like a burn" should be "It's 'BOUT to burn"
and
"And you can't ride" should be "You that king, right?"
She's saying that her man isn't pleasing her like he used to and is acting like he doesn't want to be with her anymore. Instead of "thinking if I had no you, then I can't do" she reasserts her self-confidence and figuratively throws the door open, like "Nigga, go if you want to! I'ma be fine!" (and we all know B talks like that, come on...)
also: "It's like a burn" should be "It's 'BOUT to burn" and "And you can't ride" should be "You that king, right?"