1. Your height is 178 centimeters and weight is 70 kilograms (140 pounds), which falls within the normal range and does not necessitate weight loss.2. The fuller appearance on your face and body might be due to body fat distribution or visual perception, rather than actual obesity.3. If you still wish to slim down, embrace a healthy lifestyle that includes a balanced diet and appropriate exercise regimen.4. To address facial fat, you could try facial exercises and a healthful diet, although overall weight loss often naturally reduces facial fat as well.5. Your current weight does not require any special adjustments; maintaining your existing healthy habits will suffice.