I just want back in your head I just want back in your head In your head Build a wall of books between us in our bed Repeat, repeat the words I know we both said Relax into the need we get so comfortable Remember when I was so strange and likeable I just want back in your head I just want back in your head I'm not unfaithful but I'll say When I get a little scared When I get a little scared When I get a little When I jerk away from holding hands with you I know these habits hurt important parts of you Remember when I was sweet and unexplainable Nothing like this person unloveable I just want back in your head I just want back in your head I'm not unfaithful but I'll stray When I get a little scared (run, run, run, run) When I get a little scared (run, run, run, run) When I get a little (run, run, run, run, run, run) I just want back in your head I just want back in your head I'm not unfaithful but I'll say When I get a little scared (run, run, run, run) When I get a little scared (run, run, run, run) When I get a little (run, run, run, run, run, run)