the only advise I can give you is to be patient with yourself.
LF means a great cleasining of the body, which is forced into a totally new situation with every flush. And strangely for psychological or physiological reasons I don't know human beings tend to reestablish the old conditions, in your case my means of cravings.
I experienced the same and then I red about the explanation I gave you.
It will go by - believe me.