Hello, Welcome to HCM, I had reviewed your history and understand your concern. As your husband is having loss of appetite medically it is called as anorexia, it is a serious and potentially deadly eating disorder, While people with anorexia often deny having a problem. Recovery is possible with proper treatment and support. Anorexia is associated with numerous general medical complications that are directly attributable to caloric restriction and weight loss. Most common cause for loss of weight are body dissatisfaction,strict dieting,Low self-esteem,Perfectionism, Troubled family relationships,History of physical or sexual abuse,Family history of eating disorder. Physical treatments comprise nutritional interventions and psychopharmacological agents. I would suggest Your husband to take Medical treatment for anorexia. Nutritional treatment for anorexia. Counseling and therapy for anorexia. This is going to help your husbands condition. I would suggest you to take your husband to a nutritionist for proper counselling. Hope you are satisfied with this answer. Thank you.