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link to www.near-death.com]
This has more answers than religions.
I also highly recommend Dolores Cannons books.
And creating your own induction, deeping and scripts for your own inexpensive past life and life between life type sessions.
Its just guided meditation.
Michael Newton-Past Life Therapy-Journey Between Lives 1/5
Life Between Lives - The Soul's Mission or Soul Contract
Many many people, millions volunteered to come.
Some are trapped in karma, but will be making choices on whether they're ready to move ahead.
This is a very tough school, and people are actually considered very brave to come here, and watched over, encouraged, and helped by many teams and family.
Also ego is something that tends to get weeded out as you advance, the more mature, the more you consider everyone equal, but not a pile of poo, everyone counts, everyone needs to shine their lights, and wake up, and start to gain confidence in themselves, their families, and those watching over. Humility is an abused word. It doesnt mean you're a pile of poo who doesnt shine.