dr, my son is a ALL(leaukemia) patient since 2011,he is 38 years old. after a very long period of various treatment, mostly as an outpatient, he is now under tablets only. but he is very nervous to move with the people and very much worried about his future, he was a stage performer, and was a good singer,now life become upside down to him, any advice to him to back his normal life without fear?