Estelle Reiner Harry Met Sally...", in which director Rob Reiner cast his mother as a customer in a scene with stars Billy Crystal and Meg Ryan at Katz's Delicatessen, in which Ryan fakes what was described as "a very public (and very persuasive) orgasm". Approached by a waitress after Ryan finishes, Reiner deadpans "I’ll have what she’s having". The line was ranked 33rd on the American Film Institute's list of the Top 100 movie quotations, just behind "Casablanca"'s "Round up the usual suspects". Reiner died of natural causes on October 25, 2008 at age 94 in her home in Beverly Hills, California.
Orgasm biologists, and there is increasing scientific awareness of the female proceptive phase. Though Dixson classifies humans as mildly polygynous in his survey of primate sexuality, he appears to have doubts, when he writes, "One might argue that ... the female's orgasm is rewarding, increases her willingness to copulate with a variety of males rather than one partner, and thus promotes sperm competition." Ryan and Jethá use this as evidence for their theory that partible paternity and promiscuity were common for early modern humans. The clitoris is homologous to the penis; that is, they both develop from the same embryonic structure.