"Yeah..." Xander still didn't like supernaturals. And especially not vampires. But Spike was, well... Spike. He'd lost contact with all his old friends, and was... to be honest... somewhat lonely. At least Spike knew who he was and where he came from. That's something.
"So... You going to watch the sunrise now?" Xander wondered, not mocking. Honestly curious. He had to wonder if Spike had seen any since he'd become a vampire.