Since the coronavirus began settling in our respiratory tracts and upending our lives, we’ve practiced social distancing to reduce its spread. We’ve even kept close friends at arm’s length – two arm’s lengths – or avoided in-person interactions altogether, replacing them with video conferences. Or we haven’t replaced them. In a representative international survey, nearly a third of the respondents said that generally speaking, their relationships with friends had become less close since the outbreak of the Covid-19 pandemic in early 2020. The survey was conducted by YouGov, a London-based inte…