"Once on ketosis the catabolic enzymes (Lipolytic enzymes) become active and stay active up to a week or more."
Thanks! This answered one of my questions really well. I didn't know that.
I think I'll start again on my fast this monday, see if I can make it the 2-3 weeks I want to go. I'm not too worried about the detox symptoms again, (only got bad when I didn't drink every few hours, would wake up at night feeling shitty) or the hunger, since the worst part for me is totally just the habit of eating.
I'm like an addict, put me in the right place at the right time for when I usually partake in my drug, ie food, and I instantly crave food.