For the past couple of months Mark had been taking driving lessons. At first I’d tried to teach him, but it hadn’t worked. I’d driven to a large disused industrial estate to give Mark some practice in manoeuvring the car round corners, reversing, and parking. At one point I’d seen we were heading towards a telephone pole. “I think you should swerve round this,” I’d said, trying to keep the unease out of my voice all the while pressing my foot against a brake pedal I’d wished was present. Mark had turned the steering wheel abruptly, which had jolted me in my seat. A box of tissues, a pen and a few coins had fallen onto the floor near my feet. “Whoops, I think I was a bit heavy handed.” “Just a tad,” I’d said, trying to stay calm. Although nothing had gone disastrously wrong during t