Fixes for Common Travel Problems Part 3

As my trip gets closer, I'm trying to think of everything that could go wrong and what happened on my last big trip that I wish I could do-over. I don't have a time machine though, so I have to look forward and figure out what I did wrong and how to fix it. It used to be that every time I went on a trip I got sick. Fun, right? Makes you wonder why I ever loved going on vacation. Once, I caught a cold, that turned into a sinus infection and then became a horrible ear infection from the cabin...