In the new movie Cheri, a Belle Epoque Parisian courtesan played by Michelle Pfeiffer enlists one of her middle-aged colleagues to teach her 19-year-old son about, ahem, love. So we got to wondering whether the movie’s star had ever been mentored in the art of romance and sex. “My parents’ generation wasn’t so good at that,” Pfeiffer told us at a screening for the movie this week. “Now, I try to talk to my kids — they don’t want to hear it from me. They know.” View our Party Lines slideshow for more talk about the birds and the bees.