maybe when we die we have to "take a number" and wait in line to be called before we can get past the "holding" plane....lol... imagine the level of here AND there as just another line like wally world before crossing over,..
not sure what spirits (that interact regularly or heavily) are, but im not positive they are human, therefore i dont walk that line too often.(or "ghost hunt").
i kinda doubt we will know or remember any of this life once we cross over or are reborn.... glimpses and feeling of familiarity maybe, but no real memories.