The book was followed by The Rules II, The Rules for Marriage, The Rules for Online Dating, and All the Rules. Fein commented on her divorce by saying that she had "married the right man" for her at that stage in her life.
In The Rules II: More Rules to Live and Love By, published in 1997, Fein and Schneider proclaim, "If he doesn't call, he's not that interested. Her argument was that after having written a best seller and raising two children, she and her husband discovered they were two different people from the young couple that fell in love.
You should then go on to explain why more work was necessary (your work, of course.) Quarantine your observations from your interpretations.
The writer must make it crystal clear to the reader which statements are observation and which are interpretation.
Is there material that does not contribute to one of the elements listed above?