The snooker was on TV and this kept getting put back until the session was finished. And at one point I doubted it ever would. My partner couldn’t stay awake to watch the film. She asked me the next day what it was about, and in a classical Freudian slip, I said , ‘trust’. Trust is the Janus face of doubt. Fling in the fairy dust of a little Catholic faith and, trust me, we have combustion. The best storylines are often reducible to a single...