I, He, You, She...

I don't know what I'm doing I know who you've been skrewing I thought what we had was true I guess I never really knew you He tried to warn me He told me what I couldn't see He was there when you weren't He held me while I hurt You broke my heart in two You know I gave my all for you You just don't seem to care You know why you were never there She stole you away She made you feel that way She trusts you like I used to She doesn't know it can never just be two...