The spirit is free, and looking for a new body. When a new feutus is in the making.. the spirit crawls in.. and thats how it becomes to live..
Not really, because well,
Spirits are left behind if angered enough in the life. AKA ghosts. Here, I'ma make a thread about some ghost videos I have seen.. ^^ And, then again, I can think about people in the past life crawling in as well.. o-0 I am debating on my own minD!! >.< Leave me alone. D: