Why do we get FODO? Therapist and Counselling Directory member Shelley Treacher says FODO is a “completely normal response to the abnormal situation of coming out of isolation caused by a killer virus”. One reason we may feel this way, she suggests, is because our physiological systems have got used to being on guard. “It may take us a while to come out of the body’s threat cycle response, to calm down, and to get back to normal,” she tells HuffPost UK. “We have been vigilant for so long.” On top of that, it’s also possible that some of us have developed