Traveling is one of life's great joys: the smell of fresh pastries in a Paris café, the golden light over the Grand Canyon, the thrill of standing somewhere brand new. But a little nagging voice in the back of your head always says something like, "Will I miss my flight?" "Will my suitcase show up?" A few simple habits, such as arriving early, tracking your flight, or keeping your essentials in a carry-on, can quickly alleviate those worries. Here's how to handle the 10 most common travel anxieties, so you can get back to enjoying the ride.