I'm thinking it's not really important to try to disect words here. Step six says "shortcomings" and seven says "character defects." What's the difference?? It's been said Bill didn't want to use the same word twice so he used different words to say the same thing. I think the same can be applied to "craving" and "obsession." I think they both originate in the mind. Now, a physical allergy is something else.