I failed The Master Cleanse lemonaide fast and all my life many differnt "diets" so i know how you feel..but i am not going to let that stray me from the bennifits of attempting again and again, i dont think its so much a matter of failure or motivation i think its a matter of the right time or making sure that your "setting" is ready for you, such as holidays, tests, stress all can be a factore also i was told not to do this nearing ovulation or your period because it is much harder due to hormones and lack of, u know cravings im assuming but those are all normal reasons with in reason to fail as we call it but its not failing its just we are not prepaired fully at that moment i will try this 100 xs until i get it right i know im bound to eventually.