G You're like a junk email in my inbox Keep coming back, you keep coming back. C You're like a constant ringing in my ears You keep calling back, why are you calling back. G You're like a train that's running out of steam. G You're losing track, should've stopped way back. C You're with a new girl now, she's only 16 hanging from a string, I hear her heart smash. Am C So tell your girlfriend you used to be my boyfriend. G D Used to be my boyfriend, how would she like that. Am C She doesn't know about all the things you've done then. G D Am D All the things you've said just to try and get me back But you had your chance. G C Em D Peroxide on your heart It's burning, it's falling apart. G C Em D Peroxide on my heart It's turning light from the dark. G C Em D Peroxide in your eyes It's burning, burning your heart. G C Em D G Peroxide, you ask why You ask why it all fell apart. G She's one beautiful rose in a thorn field She doesn't know that you're among those. C She can only give so much until you take, take yourself back and leave the pain. Am C So tell your girlfriend you used to be my boyfriend. G D Used to be my boyfriend, how would she like that. Am C She doesn't know about all the things you've done then. G D Am D All the things you've said just to try and get me back But you had your chance. G C Em D Peroxide on your heart It's burning, it's falling apart. G C Em D Peroxide on my heart It's turning light from the dark. G C Em D Peroxide in your eyes It's burning, burning your heart. G C Em D G Peroxide, you ask why You ask why it all fell apart. C G D Em C G D Let it burn 'cos it's your turn To feel something now. G C Em D Peroxide on your heart It's burning, it's falling apart. G C Em D Peroxide on my heart It's turning light from the dark. G C Em D Peroxide in your eyes It's burning, burning your heart. G C Em D G Peroxide, you ask why You ask why it all fell apart.