This is very bad for your stomach. Tell your wife not to be afraid of hard work. Exercise every day 1 hour or so. Control your diet a little and don't eat snacks. Of course, you can't eat a lot of fruit. Eating too much to lose weight will not make you thin. Exercise plus a little diet is the best way to lose weight, and it won't rebound. I am also in the stage of losing weight. I must not just go on a diet, it will rebound. Take care of yourself. It will be very painful if you have a bad stomach. I want to rely on Chinese medicine to nourish my stomach. Now I am exercising to lose weight. Exercise every day can not only lose weight, but also relieve stress and so on.