Want to be successful at losing weight?. Loosing body fat should be attainable and sustainable for most people with the correct and individualized exercise program. It also takes time, even when you maximize fat oxidation (burning) while exercising at your FATmax (which is Zone 2 for most people). However, although it takes time, patience and perseverance should pay off and you could achieve an important and sustainable decrease in body weight. Example/Tip: Your FATmax (~Zone 2) is 0.40g/min and you exercise ~75min each session, 4x week. So, your FATox would be ~30g (270Kcal) per session and ~120g/week, so ~480g (0.48kg/1Lb) per month. In 6 months this would represent roughly 3Kg/6.5Lbs of body fat and in one year, 6kg/13Lbs. This loss in body fat is quite good whether it is for health or performance purposes. However, it takes time and consistency. Also, if you don't optimize your fat oxidation during exercise as you may not be hitting the right exercise zone, weight loss could take longer. Moreover, if you calculate your nutrition properly and without “magic/miraculous” diets, and just elicit a caloric deficit of ~300-500Kcal/day, this weight loss could be significantly higher and especially both attainable and sustainable. In my humble opinion, this goal is quite achievable and sustainable. However, the most important thing is to have time and cosnsistancy when so many of us struggle with time…Conclusion: we need to work less and retire earlier 😜