oh is there someone else or not

I know that you're hiding something from me That's been close to your heart And I felt it creeping up every day Baby, right from the start I know that look you give when we're fighting (fighting) We're fighting (fighting) 'Cause I used to be the one who was lying (lying) Oh, lying (lying) Oh (oh), is there someone else or not? 'Cause I wanna ... love is war characters