title: Sex differences in approaching friends with benefits relationships.
authors.affiliation: Department of Psychology, Colorado State University, Fort Collins, CO 80523-1876, USA. justin.lehmiller@colostate.edu
authors.forename: Justin J
authors.initials: JJ
authors.lastname: Lehmiller
authors.forename: Laura E
authors.initials: LE
authors.lastname: VanderDrift
authors.forename: Janice R
authors.initials: JR
authors.lastname: Kelly