NO YOU ARE NOT A FAILURE! I will copy something from an email that a MC buddy sent to me and it has helped me a lot. I hope it helps you too.
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personally when my body is crying out for somthing it cant have I just accept in my mind that I cannot give my body that element, and whenever my body crys out for it my mind is there to override that urge... This sounds complicated no doubt, but basically it just means looking at your body as somthing seperate from you... so if you think you're hungry, your not... your body is... in fact YOU are doing a
fast right now, so the body will have to do without... you see?
Through this whole thing remember that YOU will never be hungry, only your BODY will be... and expect it to be.. anticipate it... and you'll deal with it..
This way I find its not about WILL or FORCE, its just becomes the
nature of the situation... look at your body like an entity less
intellegent that YOU are... like a child that wants candy, you as the parent know better than to let them overindulge as they want to....your BODY is now that child.... and YOU are now the parent to your
body... and YOU know whats right... (perhaps meditating on it for a while in quiet contemplation will make this approach more real for you...)
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This was for the cleanse, but I want to apply this also when I get off the cleanse. So if I am tempted to eat what I know I shouldn't, I can tell my body, "NO! That's not good for you and You are NOT getting that!" (Just as though my body was my child.)
I think I can do that.
Best to you!
Sally