Is fidelity old school as - it appears - open relationships become more common?

Non monogamy is more common that you think, writes Rita de Brún. Shows like Wanderlust portray polyamory as a hedonistic trip of infinite highs. Why settle for monogamy, the thinking goes, when there are so many delectables yet to taste?

A quick search on google will show that open relationships are or have reportedly been embraced by many household names.