WOW! Day 16! You should be proud of yourself! I'm not an expert but how come you stopped taking the laxative tea? I'm doing the P&B shakes as well but having the tea each night and it seems to do the trick (no salt flushes for me either). Maybe you're building up toxins (since you're not having any BMs)which are making you tired?? Try going back to the tea :-) Listen to your body and make adjustments. Hang in there!!!