No, a cool girl wouldn't care That your hands are in his hair But leave us alone I try not to take offense When you're showing up again But leave us alone I might have told him that you took his shirt Can we call it quits? I'm done with this You might have told him that he'll end up hurt But we're not kids (Eh, eh, eh) Back it off (Eh, eh, eh) I've had enough (Eh, eh, eh) You say you're friends But just know when you're in his bed, I'm in his head You're in his bed, I'm in his head You're in his bed, I'm in his head People say I make it up Look away and it will stop She'll leave you alone But that's not a game I play They don't know that she's insane Won't leave me alone I might have told him that you took his shirt Can we call it quits? I'm done with this You might have told him that he'll end up hurt But we're not kids (Eh, eh, eh) Back it off (Eh, eh, eh) I've had enough (Eh, eh, eh) You say you're friends But just know when you're in his bed, I'm in his head You're in his bed, I'm in his head You're in his bed, I'm in his head You've crossed every line, now I'm drawing mine I push you away I won't let it slide, it is worth a fight I push you away You're in his bed, I'm in his head (Eh, eh, eh) Back it off (Eh, eh, eh) I've had enough (Eh, eh, eh) You say you're friends (You say you're friends) But just know when you're in his bed, I'm in his head You're in his bed, I'm in his head (You say you're friends, just know when) You're in his bed, I'm in his head