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Your husband may be having recent onset stress
in his life, probably at work. If he has complaints about his work he may need to change the job to give peace. Maybe you should sit with him and try to find out exactly what is bothering him. Ask him this when he has eaten and feels better and comfortable at Home. Change in appetite, mood, weight, sleep are signs of possible depression
. If he has these then he may need help of the Psychiatrist
to help him cope with the stress and also possible medication to improve his mood.