There are pieces that she's missing. There is more to either of these boys than she knows, and that doesn't surprise her because this is Sunnydale and there is more to everything here. She will figure it out, she will pull it apart and see how it ticks. Just not tonight.

(I brought all this,
so you can survive when law is lawless
feelings,
sensations that you thought was dead.
no squealing, remember--)

She catches his hand, pulls him hard into her so she can whisper-scream the rest of the line right into his ear: "--that it's all in your head."