You know that slight sense of anxiety that grows as your departure date nears? Well, it may be wise to listen to your gut. Travel is fraught with the unexpected (that's why it's such an adventure). But the more prepared you are, the better you'll be equipped to handle the unforeseen complications, quandaries, and minor disasters that are pretty much routine on the road. How do you know if you're truly ready to set off on a successful journey? Here are 10 signs you're not quite prepared for your next trip.