Inclusion Criteria:  Post-bariatric (sleeve) patients will do body contouring surgery. Post-bariatric patients has been stable within 5 kg for 3 months Age between 20-60 years old. patients use the determinant fixed diet.  Exclusion Criteria:  Age below 20 and above 60 years old. Non-compliance with the fixed diet. psychotic patients. Female patients seeking pregnancy. Endocrine causes of obesity. Bariatric surgery other than sleeve.