Most of my women friends work hard to keep ancient friendships alive; the seasonal lunches, shopping trips and afternoon teas are observed as scrupulously as the feasts of the liturgical calendar. ‘Friends make all the difference in life,’ my mother used to say. In her late eighties, she would defy the wobbles of Parkinson’s and haul herself on to a bus for the all-important ‘Tea with Daisy’, inscribed with a shaky hand in her diary.