Ken, I reckon you would be able to get most of your answers from the following link:
John Titor
In my opinion, there is more evidence to JT being a hoax than a reality, but it's still one of the best.
As for "don't know what I was going to say, it's all in my head, but can't get it out in words".
I would recommend typing out your thread in a Word document or a text file, then saving it. You can compile and re-adjust all you want, and add all
those bits that you forgot you wanted to place on this post. I have the same problem, I can't type as fast as I think, and tend to get way ahead of
myself and end up losing track of what I initially wanted to say.
Now where was I .....