In January when Dr. Mike posted all his best "how to Low carb" articles, the three that address, "Why Low Carb is Harder the Second Time Around" are very helpful.
So many return to LC after having lost x pounds x yeas ago, and wonder why it is not working as well now. He tackles that issue and there are hundreds of comments by readers which he answers.
http://www.proteinpower.com/drmike/...w-carb-dieters/