‘I’ve hit my midlife sexpot era!’ Romola Garai on marital misery, cheating … and sex scenes in cars

<p>Layby hookups are all in a day’s work for Romola Garai in her steamy new drama Adultery. She talks faking orgasms, keeping secrets – and making audiences pass out</p><p>In a raging storm in the Peak District last winter, a blue Toyota Yaris was parked in a remote roadside spot w