She sighs back at him, equally as suffering and frustrated. "Paranoid much?" she rolls her eyes at him. Clearly, she's not paranoid. He's paranoid. "We've been fine so far." Which is just asking to be smacked.

Pfffft. She can totally still do the kick thing. The leg she stands on is great! It's the kicking foot she's hurt. She recognizes the patronizing tone of his voice, but hops on his back anyway, arms circling around his shoulders.

"Okay, so what's our next move, John Nash," Buffy responds, her tone of voice making it clear she thinks he's being ridiculous, not to mention her reference to the Beautiful Mind genius. At least she called him smart?