Unfortunately this knowledge of all things fades almost completely when they reenter their physical being. However each seem to be allowed limited recollections at some level. This site catalogs those remembrances and allows us a limited peek into their journeys.
Perhaps this scene from the film "What Dreams May Come" may provide a fuller explanation of why such things may be possible.
Maybe it is true every negative experience we have anchor us to them because of our unwillingness to face them head on.
CHECK THIS OUT. It's from one of Carlos Casteneda's series of books I read about a warriors stance. Here' a couple of excerpts. What I'm trying to say is...
Ain't nothing in this world a bigger thing other then what we allow our minds to think them to be. So called God has given us the ultimate freedom to exist whether it be in this world or the greater. By doing so we are each left to deliberate what is delusional and what is not. Some quandary, is it not?
Yeah that "God"-- he has some strange sense of humor does he not?