This is a film about ordinary people who decided to trace siblings they’d never met before but then found themselves confronted by the greatest moral dilemma of their lives. When brothers and sisters grow up separately and meet for the first time as strangers and adults. They can fall prey to an overwhelming physical desire for each other: a phenomenon now being described as genetic sexual attraction. Brothers and Sisters in Love, ITV 2008
Over half of these reunions can result in sexual obsessions. ibid.
When sibling couples do have children, society and the law react very differently. ibid.
Diane and Steve are mother and son. But for the last ten years they’ve lived as man and wife. Diane was just fourteen when she gave birth to Steve and was immediately forced to give him up for adoption. After twenty-seven years of living apart, Steve traced his mother and they arranged a reunion. ibid.
Sister: You’re acting like a child.
Brother: He’s our dad.
Sister: Why would I want dad when I can have Nick. He’s old. The War Zone 1999 starring Ray Winstone & Tilda Swinton & Lara Belmont & Freddie Cunliffe & Colin Farrell & Aisling O’Sullivan & Kate Ashfield & Kim Wall & Annabelle Apsion et al, director Tim Roth