Cal was home, in fact, and he was taking advantage of actually being able to sleep. Which was why the only response to this was: "g'way, m'sleepin'." Which, of course, belied the fact that he wasn't sleeping any more.
Which was right about when what she'd actually asked sunk in and he went to answer the door, blinking blearily, "Of course I'm not a girl, what're you talking about?" he asked, knuckling the remaining sleep out of one eye.