Just before lockdown began, Matt Hancock and Dr Jenny Harries presented the nation’s daters with a stark dilemma. Non-cohabiting couples, they advised, should either move in together for the duration or stay physically apart. Couples who barely knew each other’s surnames were catapulted into levels of intimacy that would normally have evolved over years and the enforced lovebirds were soon living like old-style pensioners, spending every moment in each other’s company, arguing over hand sanitiser brands and giving one another dodgy haircuts.