Debbi Wood, dubbed the 'world's most jealous woman,' made her husband, Steve, undergo lie detector tests after feeling resentful over a past deception. Their relationship, discussed on ITV's This Morning, highlighted Debbi's extreme jealousy, stemming from her diagnosis of Othello Syndrome. Initially triggered by long-distance dating and prior traumatic relationships, Debbi's jealousy led to stringent rules, including TV restrictions for Steve. Despite these challenges, Steve emphasized their strong bond and shared laughter when not arguing. The couple's story sheds light on the complexities of managing jealousy and mental health within relationships.