I think the song is about someone who has spent their whole life being afraid of commitment and who enjoys being free but who is now considering the fact that they may actually be falling for someone. They are reasoning with themselves about what they should do about it because it is different to how they have ever felt before and they have known this even from an early stage in the relationship.
I think the song is about someone who has spent their whole life being afraid of commitment and who enjoys being free but who is now considering the fact that they may actually be falling for someone. They are reasoning with themselves about what they should do about it because it is different to how they have ever felt before and they have known this even from an early stage in the relationship.