RACHEL: So don’t wait too long, okay?
LUKE: To what?
RACHEL: To tell her [Lorelai]. (Rachel leaves.)
This would be great advice – except that because Luke got back with his ex-girlfriend Rachel just as Lorelai was going mad with loneliness, Lorelai was pushed into the arms of her ex-boyfriend Max, and now Luke can’t tell her how he feels.
So this is advice that Luke would have really appreciated about seven weeks ago, except he blew that by getting back with Rachel. And he only really discovered how he felt about Lorelai because of getting back with Rachel, and Rachel telling him how he feels. It’s great, yet essentially useless, advice at the moment.
Goodbye Rachel, we hardly knew ye, and now you’re gone forever.
The Annotated Gilmore Girls 