"Ron’s dream about spiders making him tap-dance in THE PRISONER OF AZKABAN is a reference to the next book. In THE GOBLET OF FIRE there is an unforgivable curse where you can control what someone does, taught by Professor Moody. He makes a spider tap-dance on the desk in the book."
Spike: “I don’t hurt you. “
Buffy: “I know.”
Spike: “No, you don’t. I’ve tried to make it clear to you, but you won’t see it. Something happened to me. The way I feel … about you … it’s different. And no matter how hard you try to convince yourself it isn’t, it’s real.”
Buffy: “I think it is.