One winter, I was heavy. I 173, now 59 kg, mainly fat. How can I lose weight?

If it is fat above, it is generally reflected in the stomach and waist. If you don't want to exercise and want to lose weight, you can only control your diet. Eat less fried and high-calorie foods and snacks, especially after 4 pm, and control your diet, eat some light vegetables, and don't eat rice, a starch-tired staple food, which is very trans-fat. If you can do the above, I believe you will lose weight. But if you want to be thin, you'd better exercise. Ensure aerobic exercise (such as running and cycling) three times a week. Guaranteed for more than 30 minutes at a time.