...is non-judgmental. She is there to help you, not to criticize you or the lifestyle you have been living.
...is trustworthy. She respects your feelings about possessions. She works with integrity, competence, and courtesy.
...is objective. She understands that everyone has different reasons for holding onto stuff. She uses a simple prioritizing system to help you through making decisions of what to keep and what to let go of.
...re-organizes areas that work for you. She leaves you with a system you can easily follow to not get cluttered again.
...takes the anxiety out of cleaning up the clutter. She uses discussion, flexibility, and humor in taking the "angst" out of the whole project.