In a move beyond parody, London South Bank University's Student Union removed posters from its Atheists Society depicting a god on the grounds that they were offensive. The god in question was the Flying Spaghetti Monster, a deity invented as satire in protest against the teaching of Intelligent Design in Kansas; a god that, quite literally, nobody believes in.
That night, I spend some time thinking about what we tell our children, about Heaven and God, about what happens when we die - and although I don't believe in any of it, I tell myself that, right now, it's ok for him to believe. After all, as a five-year-old, there are plenty of things that he believes in that I know aren't true.
The Church is "one generation away from extinction," he declares. The reality is less dramatic, but the story is not altogether wrong. Young adults in Britain are far less likely than their parents and grandparents to have a religious identity. The Church of England in particular has been squeezed hard by the trend away from religion.