How will humans, by nature social animals, fare when isolated?

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IN MANY WAYS Claudia (not her real name), a 33-year-old art dealer, feels prepared for the covid-19 lockdown in London. As a recovering alcoholic who has had a “mental breakdown or two”, she has spent time in rehab. Her movements there were restricted. She had to follow a strict routine, waking and eating her meals at the same time each day. That routine is now serving her well. Along with the rest of Britain, she is in lockdown as the country battles to slow the spread of covid-19. Its inhabitants are allowed out of their homes only in the most limited circumstances. The government has told people to avoid meeting anyone they do not live with, even family members.