Husband Complains That His Wife Always Purchase Food Outside For The Family

This is a vital scenero in most homes today, a married man in my neigbourhood with two young kids is complaining that his wife always purchases dinner for the whole family to eat and its getting embarassing to him. 

He gives the wife money to cook but she will not cook but prefare purchasing meal from a canteen for the man and the children to eat, bringing excuses that she is tired after returning from work in the evening. 

Now, the husband wants to divorce the woman. "please women in the house is the man overeating or the wife is at fault?