Problem 1: What dilemmas are you dealing with in life now that you are comfortable talking about?
Problem 2: What is your desire to make this change? (Avoid asking "why" as this can make people feel defensive)
Problem 3: What are the three best reasons for you to do it?
Problem 4: On a scale of 1-10, how important would you say it is to make this change (where 1 is not important and 10 is most important)? If you would decide to do it, how might you go about it to succeed?
Problem 5: At the end of the interview, provide a short summary of what your client's motivation for change. Then ask: What do you think you'll do?