I don't know.... I'm not convinced there is supernatural source for what psychics provide -- my feeling is that it is a natural phenomenon -- and yet the advise, assistance, and support Erin gave me during a reading was tremendous, really helpful. And she mentioned that she felt a floodgate of information coming through, so you never know.
I think part of it is that, whatever the source is, I have a very deep trust for and sense of connection with Erin, and I think that opens the broadwidth of the very real and remarkable benefit she provides. I haven't had that with other people who call themselves psychic.
It's kind of like the Abraham/Hicks thing -- I don't think it's necessary to believe in the supernatural to get really life-altering benefit from what's given.