Ginny had thought Harry's silence and obvious distraction was thanks to the hemline of her skirt, but short skirts (and Ginny had worn things much shorter over the course of their relationship, albeit not in public) had never really had this much of an effect - at least when it came to talking.
But then she noticed the slight layer of sweat on his forehead, and in one quick motion she lifted her hand to brush her fingers against his face. "Are you alright? Your really warm."