The worst player in the world is going to catch just as many good cards over an extended period of time as the worst player in the world. But the good player is going to eventually beat out the bad player, because he knows what to do with his good cards. That's not my wisdom, but a paraphrase of just about every poker superstar who ever came down the pike, from Johnny Moss and Sailor Roberts to Howard Lederer and Chris Ferguson.
I would ask myself, what is my strategy going into the tournament? How am I going to play certain cards from certain positions at certain stages? If you're taking the first deal of the tournament with a "let's just see what happens" approach, maybe it's time to get more specific about what you plan to do. An old guy in a houndstooth hat used to say, "It's not the will to win that matters...everybody has that. It's the will to prepare to win that matters."
I'm a broken record on this one, but the bookstore and the internet are absolutely brimming with books and articles on playing poker. If you're not already one, become a voracious reader of poker literature. Absorb everything you can get your hands on. Some of it you will discard, some of it you will keep. But it's the only sure way I know to accelerate your learning curve. Why try to figure it all out on your own when there are dozens of pros who've already been there, done that, made millions of dollars in the process, and are willing to share their experience and knowledge?
And, bottom line, hang in there! Poker is a game of peaks and valleys, more so than probably any other competitive game in the world. (Note my signature quote in closing...)