'I like to keep a meticulous, joylessly Presbyterian record of my daily toil, and I've had to accept that, for me, three to four hours of actual work is a normal daily score. '

I like to keep a meticulous, joylessly Presbyterian record of my daily toil, and I've had to accept that, for me, three to four hours of actual work is a normal daily score. When I was in my twenties, I'd aim for a regulation seven or eight hours...