They were gone for four hours, from 7.30-11.30 pm, and they both had a good time, even though both of them hated the restaurant that Luke picked out. In other words, it was a successful date. Jess none-too-subtly asks Luke if he’d like the apartment to himself for an hour so he and Nicole can have sex, which results in a comic argument which the viewer can see through the window, but not hear. You can’t help getting the feeling Jess is only too pleased for Luke to pursue any woman who isn’t Lorelai.
The Annotated Gilmore Girls 