Well, at least Castiel was playing along with Mina's attempts at deflection. Bruce's however, were utterly transparent. And despite coming from a world where everyone was lying to everyone, it bothered Mina a bit.

A lot, really. But for the time being, she'd respect his wishes. Trust had to be earned, after all. And apparently, though he had earned hers, she had not yet earned his.

No matter. She was fantastic. She'd get there eventually.

"I'm fairly certain you aren't equipped to deal with some of the side-effects of a vampire bite, darling," she told Castiel. And to her fellow scientist she added, "It releases certain endorphins. Actually a rather fascinating phenomenon I've never been able to thoroughly study."