Chapter Nine

Sexual Orientation and Sexuality

Identity (component of sexual orientation)

the label someone adopts

Motivation (component of sexual orientation)

sexual desire, romantic attraction, and attachment

behaviour (component of sexual orientation)

enacted sexual or romantic activities

attraction

focused romantic motivation; linked with reward systems

attachment

companionate love; enduring bond; associated with oxytocin and vasopressin

men with more ____ ____ show elevated odds of male same-sex orientation

older biological brothers

kin selection

reproductive benefits to genetic relatives

fecundity

increased reproduction among some female relatives

in speed dating, the approaching role ____ romantic desire

increased

sexual double standard

different evaluations of comparable sexual behaviour

sexual fluidity

capacity for context-dependent variation in attraction

medicalization

treating life experiences as medical problems (eg menopause)