I think due to experience this song is about when you love someone but you see them with someone else. So it's from Christopher Owens point of view and he's saying maybe to himself ," this guy doesn't know her like I do" he's oblivious to her feelings and what she's been through
I think due to experience this song is about when you love someone but you see them with someone else. So it's from Christopher Owens point of view and he's saying maybe to himself ," this guy doesn't know her like I do" he's oblivious to her feelings and what she's been through