It’s the post-apocalyptic world. There’s only one contraceptive pill left. Do you give it 19-year-old daughter or keep it for yourself? Is it better to be a 40-year-old grandmother or a 40-year-old new mum?

These are the dilemmas facing Emma Doran aged 39 and 7/8s, even though the most obvious outcome is neither. If turning 40 is the start of something new, what is it the end of? ... ah here, where ’ s me vape?