A letter to my younger self – the advice I wish I’d had

When does middle age officially start these days? Is 60 the new 30? Are millennials really fast-tracking towards knitting and Ugg boots, bypassing the joyous indiscretions of youth in favour of gluten-free, spinning-class, Guardian-tutting, ‘lights out by 9pm’ sensibility – all fuelled by probiotic, Bullet-blended, curly kale smoothies and a thousand grains of muesli?
As I creak towards my 40th birthday it’s getting increasingly hard to tell what colour-coded stage of lif