[From
here]
Jack continued to proceed towards the door he knew his key fit, but stopped in the hall, pouting his lips slightly. It was mostly deserted in this area, at least for the moment, which meant it would serve his purposes. Whistling casually, he peered over the railing into the sunroom, as if sight seeing, then back at Lust, waiting for her to ask the obvious question as to why they had stopped advancing.