"Huh." Spike had heard of mutants as well. But they were rare. And as far as he knew, they were also supposed to have really stupid mutations like an extra toe or something. He considered asking her if she had two or three more than she should have, but decided to keep his mouth shut on that one. There were but only so many ways a bloke could insult a girl. He didn't need to add this one onto his very long list.
"You could have asked," He pointed out. "And if you want to run, go right on ahead. I'm not gonna stop you and I'm not changing my plans. I still want to go get my bloody drink and get pissed off my arse."