Promise when we’re fifty we’ll be exactly the same with each other. I want us to sit on the sofa, stuffing our faces with crisps and talking about thrush. I don’t want to become women who meet up once every couple of months for a craft fair at the NEC.” I promised. But little did I know how much work it takes to sustain that kind of intimacy with a friend as you get older—it doesn’t just stick around coincidentally.