Probably. It's kind of a pathetic fear, especially since Giles is... Giles. But Buffy mentions Faith, and Dean grins slightly. He likes Faith. "Yeah, I did. She practically molested my car."

Dean doesn't mind, just rolls his eyes in return, sipping from his beer. "Thanks. Toby wouldn't let me live it down."

And here we go, the differences in slaying are coming out. "... Staking is a myth. Doesn't do anything except paralyze 'em." Dean pauses, and then snorts. "Apparently your vampires aren't as hardcore as mine."

Which gives him a weird sense of satisfaction, actually.