At first, Jack had thought this world was too normal for the things that Ed has talked about before, but werecreatures? Okay, nope, we are in magic central. Jack's posture is far more relaxed when he steps into the tavern, familiar territory. Best way to not get remembered is to act like nothing's wrong.

"Or something..." Jack grins at the bartender. "Captain Jack Harkness, and who are you?"