Just quick question after 3-4 days when you go into ketosis if you ate carbs I am assuming you will have to go through the process all over again, so it isn't worth slipping up on this diet. I would hate to go through the tiredness and headaches then have to repeat the whole thing to get to a stage where I feel ok on this diet. When in ketosis does anyone still feel hungry, tried or have headaches still. Cause I will be on ss for 3 months without food so I am praying I won't feel bad the whole time. PS I start tomorrow sat 3rd March. Thanks Lindsey