Spike squeaked and jumped about a mile, wondering how he could have not recognised Jack sitting there.
Then squinted at Jack and decided it couldn't be the one who knew who he was. That one wouldn't be surprised to hear him ordering blood, after all.
He took a breath to calm himself, stepped back in again and leaned sideways against the bar. "Yeah," he said coolly, with a bit of a leer. "A vamp's got to eat, you know."