From the "Everything Ghost Book" by Jason Rich who devoted 7 pages to an interview with Marie.

Over the years, Simpson has performed many readings and been in contact with many spirits. She (Marie) explained that spirits, just like living persons have different personalites. "Sometimes they simply don't have a lot to say or they aren't willing to readily communicate. This doesn't happen too often, however," stated Simpson, who rarely feels it's necessary to filter the information being conveyed through her. "Sometimes, I receive information that I intuitively know my client isn't ready to deal with, so I'll convey the information for the spirit very carefully....."