Afterlife. Uncovering the Secrets of Life After Death

So what does happen when someone dies? What does it feel like? Why do some people find it hard to leave places and loved ones behind? And how do people who die in accidents and other sudden deaths fare? How does our grief affect those who have passed on?
What is the tunnel experience all about? Is there any such thing as a life review? How do those who have passed over experience time? Why do they return to their soul families in spirit? Do people then reincarnate? If so, what say do they have