...And you swallowed it.
In all fairness, Kay was a smooth operator. To put it in nerd-terms, she'd dumped all her skill-points in charisma. Gee, too bad you weren't wearing your Glasses of +1 Perception.
As things were, you packed your toothbrush and PJs and just blithely tromped across campus...
...which brings us to the present. You pause a moment to adjust your glasses, and then approach the sorority house.