Because everything else in your post contradicts that statement. Put down the keyboard and go for a walk. There's still much to live for.
I'm sorry you drank the kool-aid of over-hyped off-season fan board expectations. It happens to all of us at one time or another.
I'm actually surprised by the fact that BYU had a chance in every game so far. UCLA being the least of all chances but still a possibility.
Let's see how they perform against a team they are actually supposed to dominate. Give them another week. Now that your expectations are dashed it should make for interesting watching.