Other mistake: Near the end of the movie, there is a party scene in which Jessica and her ex-boyfriend are talking on the roof of the building. Behind them is a sign posted by the door to the roof. The letters are reversed, as if you're reading the sign through a mirror.
Kissing Jessica Stein (2001)
Ending / spoiler
Directed by: Charles Herman-Wurmfeld
Starring: Jennifer Westfeldt, Tovah Feldshuh, Esther Wurmfeld, Heather Juergensen, Hillel Friedman
Helen breaks up with Jessica. Some time later, Helen is in a relationship with another woman and both Jessica and Josh quit their jobs. Josh is dedicated to writing and Jessica is dedicated to painting. They run into one another at a book store and exchange phone numbers. Jessica and Helen are still good friends.
A.J.
More mistakes in Kissing Jessica Stein
Helen: Some people smoke pot, some people bungee jump, some people chant. What do you do to be happy?
Jessica: Nothing. I'm not.