Just drink a cup of yogurt and eat two pieces of bread every morning. Can't eat more. You should change your lunch to 1/3, and don't eat anything containing sugar and starch. You should eat an apple at night. If you are hungry, buy some cucumbers and vitamins, but don't eat too much. Don't eat anything else Run 1000 meters in the morning, and do yoga, sit-ups or leg lifts at night.

Don't overeat, or all your previous efforts will be in vain. Persistence is the key to this matter. If you have the perseverance to persist for two months, it will be effective.