Jenny*, 53, from London, was devastated to discover her partner Paul*, 56, had been sleeping with their teenage au pair.
She says: “I was stunned when Paul admitted he’d had an affair with our teenage au pair; it felt like the ultimate betrayal. He was 41 at the time and she was 19, which I found disgusting. I felt he’d taken advantage of her.
“We’d decided to get an au pair because I was struggling. With four children, aged two to eight years, and Paul often working away as a builder, I needed help.
“When we interviewed Kristina*, she was friendly and good with the children. She was also slim and attractive and looked a bit like me. But I didn’t feel threatened – I believed my relationship was secure.…
