(Rory is packing everything which reminds her of Dean into a cardboard box).
LORELAI: Sweater’s brand new.
RORY: Well, he [Dean] saw me in it yesterday and he liked it.
LORELAI: Well, then he’s got good taste.
RORY: He said it brought out the blue in my eyes.
LORELAI: Well, then he’s gay.
Gay jokes are always funny in Lorelai’s world. I think it’s all the 1970s films and television shows she watches, when you could pretty much just say someone was gay and everyone would crack up hysterically.
The Annotated Gilmore Girls 