When you have tried and failed to have children, you become aware of how much parents take their offspring for granted. They will bitch about them in a humorous way and talk about their pelvic floor exercises and how their sex life is ruined and how demanding their children are, and of course this is as it should be, in the right context and the right company. But it was a singular experience hearing these words from the male fertility consultant who had been treating me for seven months.