'Been left parked in the garage of marriage too long, battery getting flat and needs somebody to give it a spark of life, full tank and ready to go.In the digital age, having an affair has never been easier. Author Angela Levin spent five months interviewing middle-class professionals for an extensive study that charts the rise of the no-strings-attached relationship. In the first of a three-part investigation, she reveals why the UK is in the grip of an infidelity epidemic. STORY
