Lobby.
"It's just... one of those feelings. Like... Ugh, it's hard to explain!" She flashed him another grin, and then, hiking up the hem of the sheet, she turned and started up the stairs at a faster pace, bare feet barely making a sound against the floor.
She paused halfway up to the third floor and turned suddenly, looking down towards him. "I just know. It's a female thing. You men wouldn't understand."