Do not eat between meals never.
if you feel a dizziness and excessive fatigue do not worry cause the reason is the lack of sugar for the duration of the diet but you can eat and the amount of a teaspoon of honey.
you should not eat more than 3 spoons of honey exceed a week and the feeling of tired and dizzy appear while doing a hard effort.
After the end of the first week of the diet you must't repeat it directly, but must stop him for two days to rest before starting it again.