There are many theories as to how the universe got here, but there's no way of knowing exactly how for sure, yet just theories. As time goes on and it is researched more people will find out how and I'm sure that it will be discovered and an answer will be given that is much simpler then most people would expect.
But, agreeing with Terry, what difference does it make? It doesn't effect the fact that life goes on. Tomorrow we'll wake up, go to work, eat and go back to sleep again at the end of the day. This all has to be done regardless of HOW the universe came to be.
I would say though how life came about is a lot easier to understand then how the universe came to be.
Kwin