The meaning is fairly self-explanatory. The singer is in love with her FWB, but she knows that he doesn't want to go further because it's not their "deal", or the way their relationship works. They'v established a pattern as FWB and he doesn't want more.
The meaning is fairly self-explanatory. The singer is in love with her FWB, but she knows that he doesn't want to go further because it's not their "deal", or the way their relationship works. They'v established a pattern as FWB and he doesn't want more.