SEXUAL FLUIDITY SEXUAL FLUIDITY Understanding Women’s Love and Desire LISA M. DIAMOND HarvardUniversityPress Cambridge,Massachusetts London,England Copyright©2008bythePresidentand FellowsofHarvardCollege Allrightsreserved PrintedintheUnitedStatesofAmerica FirstHarvardUniversityPresspaperbackedition,2009. LibraryofCongressCataloging-in-PublicationData Diamond,LisaM.(LisaMichelle) Sexualfluidity: understandingwomen’s loveanddesire / LisaM.Diamond. p. cm. Includesbibliographicalreferencesandindex. ISBN978-0-674-02624-7(cloth:alk.paper) ISBN978-0-674-03226-2(pbk.) 1.Women—Sexualbehavior. 2.Bisexuality. I.Title. HQ29.D523 2008 306.76′5082—dc22 2007027806 Thisbookisdedicatedto the100womenwhohaveso generouslysharedtheir storieswithme. Contents 1 WilltheRealLesbiansPleaseStandUp? 1 2 GenderDifferencesinSame-SexSexuality 17 3 SexualFluidityinAction 54 4 NonexclusiveAttractionsandBehaviors 91 5 ChangeinSexualAttractions 137 6 Attractionsto“thePerson,NottheGender” 171 7 HowDoesFluidityWork? 202 8 ImplicationsofFemaleSexualFluidity 235 References 263 Notes 309 Acknowledgments 325 Index 327 SEXUAL FLUIDITY