I don't have any tips for you because I want to know the same thing.lol
day 10 congrats. I am doing a 21 day fast as well...only on day 5 today but that is a huge sucess for me. however I am feeling real weak today...I hope this doesn't come out the wrong way but I was glad to here that you were feeling weak as wel on day 5-6 it make me feel better knowing that it's not just me. LOL! so day 7 is when it will get a little better? My lungs feel kinda funny today as well did yours. if its okay I would like to keep in touch with you since you are ahead of me you can kinda be my mentor. lol let me know what to expect as the days go by.