As much as Willow is unsure about how much she really wants to trust Nick, his warning about Sam doesn't fall entirely on deaf ears. Her own mother tried to burn her, another witch named Amy, and her friend Buffy at the stake when they were in high school; The whole town under the influence of a demon posing as two murdered children that led them to believe it was the work of witches.

"I'll keep that in mind, thanks. He intentionally trapped you, then? In his own mind?" That seems... ill-advised.

She glances at the tower as he asks the obvious question, clearly uncomfortable. "This? It's a memory. The butterfly's right, I don't want to be here. Let's talk about something else."