(Watching season 5 for the first time right now, and this idea popped into my head)
Disclaimer: I do not own Buffy
(I didn't make the connection of why Joyce asked who Dawn was for some reason. I'll go change this right now)
Xander grimaced as he felt another headache coming. Anya glanced at him, concern in her eyes.
"Xander, you all right?"
He nodded slowly, still grimacing.
"Yeah, I think so."
Willow glanced over from the table in the magic shop.
"Everything okay, Xand?"
"Yeah." He nodded. "Just a headache is all."
"Poor baby," Anya murmured as she patted his hand with sympathy. She smiled. "See, that was me, being sympathatic. You know, like a human girlfriend is supposed to do."
Xander gave a small smile.
"Yeah, I see."
"Dawn, did I say you could come?" Buffy asked as she walked into the shop.
"No, but mom did," said Dawn, folding her arms. Buffy groaned. She frowned as she glanced at Xander.
"Are you all right, Xander?"
He shook his head suddenly.
"Don't...don't think so." He glanced at Dawn. "Who are you?" He asked as he sat up and then, before anyone could say anything, collapsed....