My brother had gone into a deep thinking he had started getting the fear that he will get corona and even one of his friend died in blood cancer recently  so that I will die with cancer so he started getting too much scare for which he loss his appetite and he was just sitting ideal  but slowly slowly he is coming out of that thing but in that last month had reduced weight from 56 to approx 51 and right now also he has 75% recover but still he has got habits like he will go to wash his hands again and again or will spit something out of his mouth like something has  got stuck in his mouth and he might get  cancer or something  , right now also he is eating properly his eating habits have improved a lot have started eating proper food started playing with his friends has started diverting his mind but still his weight is stable only it is not increasing it is still 51 around only ...