People's weight fluctuates, generally within 2 kg, and it is lighter in the morning than at night 1 to 2 kg. It is normal not to lose weight, and what you do is right for a normal diet, because we are reducing fat, not meat (protein). Generally, it can't be seen for 20 days. It will last for several months. You can see hunger strikers in 20 days, but the weight you lose like that is the nutrition of your body (protein and water), and the muscles of your body are protein and water. Once these substances are lost, people will look very thin. Look at African refugees and you will know how ugly it is.