If you need advice, I can advise you. You must keep your mind occupied with something you like to do. Reading, writing or whatever. Also you do not need to fast for days but only for a minute. Whenever you want to eat just do not do it for that minute. Put it off for later. Take it 1 minute at a time. Also you must be highly motivated to do it. See this site on fasting and lemonade diet with quotes from 18 MDs.