 There's one thing I bet you were never trained for at drama school, and that is performing an intimate, let's be more blunt, a sex scene with your own wife, because that's what you recently did on telly in a series, The Dry, where you were a sort of aging, disappointed bloke who had an affair, and the actor playing the woman you had the affair with was your actual wife. And I think I read somewhere that you actually had an intimacy coach