Aah-aah Aah-aah You can knock on the door, but I'm not gonna let you in You can play all your games, but I'm not gonna let you win again You can step to me with all your negativity, uh Don't you know I'm just so over you under my skin And this time it's not even anger I think we're just better as strangers Don't try the locks 'cause I changed them You can't have my head space (Aah-aah) Won't let you in my safe place (Na-na, oh, na-na-na, yeah) You can say what you want, you can do what you like You can throw another stone, but you're never gonna see my heart break No, no 'Cause you can't have my headspace You, you, you can't have it (aah-aah) For the first time, I ain't gonna give you a second thought (nah-nah) 'Cause your talk is so cheap that the pain isn't worth the cost So do your worst to me but you'll never get the best of me 'Cause I know who I am, don't tell me what I'm not Now I like the way I feel brand new Matter of fact, I should thank you I'm stronger for what you put me through You can't have my headspace (You can't have my headspace) Won't let you in my safe place (Na-na, oh, na-na-na, hey) You can say what you want, you can do what you like You can throw another stone, but you're never gonna see my heart break No, no (you can't) 'Cause you can't have my headspace (you, you) You can't have it No, you can't have my headspace (you, you) You can't have it One, two, three, four Don't you come round here no more Five, six, seven, eight You can try but it's too late Eight, seven, six, five Finally, got you off my mind Four, three, two, one I'm done You can't have my headspace (headspace) Won't let you in my safe place (Na-na, oh, na-na-na, hey) You can say what you want, you can do what you like You can throw another stone, but you're never gonna see my heart break No, no (you can't) 'Cause you can't have my headspace (you, you) You can't have it No, you can't have my headspace (you, you) You can't have it 'Cause you can't have my headspace (you, you) You can't have it No, you can't have my headspace (you, you) You can't have it You can't have my headspace