Bisexuality refers to the experience of emotional, romantic and/or sexual attraction to people of more than one gender. Bisexuality is persistently culturally associated with being only a temporary identity, having multiple partners and being promiscuous. This study explores how bisexuality emerges in contemporary relationships: how it fits, contests or expands normative understandings of couple relationships, which continue to draw upon the discourses of romantic love, marriage and the ideal of finding ‘the one’ who meets all our romantic and sexual needs. In particular, it examines how a sample of Finnish bisexual women, and their (ex-)partners of various genders, negotiate bisexuality in their relationships, and the affective consequence...