That's a really cool idea, Tsuyoiko! It's interesting reasoning and I love the "marbles" image also.

(I guess when you get more experiences than hollows, you start to lose your marbles...

)
I have very, very rarely had deja vu. But I have had a kind of reverse version of it. :? It has quite often happened to me that I'll be in a place, doing something perfectly ordinary, and will get a distinct, clear impression of the future. I don't mean like a vision in a crystal ball or something!

I mean... for example, one time I was walking down a random street in a random city, and suddenly I knew "one day I will live and work near here". It seemed to me complete rubbish at the time, but two years later, yes it was true, and now I walk on those streets regularly.
Of course, it could be that the nonsense thought, although I forgot about it, subconsciously influenced my choice of job... :?