This interpretation could be 100% wrong - but it seems like they are still together, and he’s trying to make his SO feel better about his lack of fidelity to her.
The lyrics to me seem like he is talking to his girl that he cheated on and she found out and this is his “apology” song (he knew she was the one since they met....he cherishes every moment with her and feels he doesn’t deserve her...sounds like they’re still together). Sounds like he’s giving a romantic disclaimer that although she is “the one,” he will still have other crushes - but next time, instead of physically cheating on her, he will “make sure that the lady is a friend” aka not sleep with her, or, if it goes farther and it does become a physical affair and he “falls in love so true” he’ll make “sure that the lady’s just like you,” meaning he is telling her he finds her, his significant other, to be the most physically attractive type of person (so it makes it ok to cheat I guess....
This interpretation could be 100% wrong - but it seems like they are still together, and he’s trying to make his SO feel better about his lack of fidelity to her. The lyrics to me seem like he is talking to his girl that he cheated on and she found out and this is his “apology” song (he knew she was the one since they met....he cherishes every moment with her and feels he doesn’t deserve her...sounds like they’re still together). Sounds like he’s giving a romantic disclaimer that although she is “the one,” he will still have other crushes - but next time, instead of physically cheating on her, he will “make sure that the lady is a friend” aka not sleep with her, or, if it goes farther and it does become a physical affair and he “falls in love so true” he’ll make “sure that the lady’s just like you,” meaning he is telling her he finds her, his significant other, to be the most physically attractive type of person (so it makes it ok to cheat I guess....