>>As the six-week mark of lockdown nears for many U.S. communities, it’s also good to be aware of a turning point that often happens four to six weeks into space missions, says Nick Kanas, emeritus professor of psychiatry at the University of California at San Francisco, who has been studying astronauts since 1969 and has worked with NASA. As excitement wears off, irritability and annoyance ramp up.
https://www.outsideonline.com/2412145/what-helps-cabin-fever