Should love and sex be shared among more than two people?In this debate, we will discuss the possibilities and challenges of polygamous love and sex lives. Do open relationships provide more freedom and reduce infidelity, or do they offer less security? Are monogamous relationships a part of human nature or a social construct? What barriers affect people's ability to shape their own love lives?Joining us to discuss this are:Lynn Myrdal, from PolynorgeLeif Edward Ottesen Kennair, psychology professor and researcher on sexual behaviorTrond Amundsen, professor of evolutionary biology