Today is the 6th day. I do drink one mixed juice in the morning because I still go to work.
Rom 8:4 That the righteous requirement of the law might be fulfilled in us, who do not walk according to the flesh but according to the spirit.
5 For those who are according to the flesh mind the things of the flesh; but those who are according to the spirit, the things of the Spirit.
6 For the mind set on the flesh is death, but the mind set on the spirit is life and peace.
Basically, you have to learn how to walk by Spirt, you see brother Witness Lee never overnight, many matters, food you eat, drink, exercise, go to bed early and get up early, fast and pray for God's interest. John 14:26 says the Spirit of reality will teach you all things.
But my major concept change is from this Paul Bragg's book "the miracles of fasting", personally I believe that God led me to find this book. I am doing a research why Jesus Christ has to fast 40 days and nights before His earthly ministry. This is a mystery.
Button line, I am not be liable to anything shared here, just to declare this first. I am no expert to give any guidelines in this matter, just my personal experiences. So again, you have to seek the Lord in all matters, my situation does not apply to any others, so please don't copy and practice just by reading my notes. This is my past 1-2 years learning or experiment. No warranties.