Slaughter House- Five (chapter 5)

As I was reading the fifth chapter, I came up with a question that I haven't been able to answer yet.

Billy Pilgrim was abducted in 1967. From that moment on, he started having these time travels back and forth through his life. What puzzles me is that he has gone from the present to the future. To a future, which he hasn't even lived yet.

This is a very strange concept, even with the tralfamadorians' believes. How are you going to travel to the future in which you haven't even been yet? I mean, according to the idea of a written destiny and circular timing, you could. But, what are you supposed to do if you travel to a place that you've never been before. How do you know what has happened? How do you know what has changed in the world?

This is different than going to the past, where you've already been and know at least partially what is going on. Unless Billy "teleported"as a spectator of his own life, which I don't think happens, he is presented to the world of the unknown every time he goes into the future he hasn't lived yet.

One theory I have is that he becomes the person in the future, which means he already knows everything that has happened, even though he technically hasn't experienced it. Yet, this doesn't make sense at all. How are you going to become another "version" of yourself and at the same time feel comfortable with your life? This would be as if somebody else has lived your life for you and you are just taking his place onto repeating whatever he has already done.

On the other hand, if he is the same person all along, how does he know what to do?

In every way I see it, Billy Pilgrim has been cursed. Although I understand the idea of living the moment that is exposed in the book and I support it. The point of this motto is living YOUR moment, not living a moment, or someone elses moment; as I suspect Billy does when he goes to the future that he hasn't even planned for himself.