Why does my Airport Hate Me?

No, not the Des Moines airport, my Apple Airport Express. For some reason my laptop and the airport don't like one another and there will be periods where the signal will just vanish. Now keep in mind that the main computer in the office does not have this problem and my laptop never loses signal at school with the wireless there. But for some unknown reason, the wireless and laptop just lose touch with one another. Let me tell you how much fun it is to be working on something and then have the wireless go out. Yay!