Meditation. If you prefer not to medicate, then you can just meditate. Meditation makes use of self hypnosis so you can calm your mind down. You can meditate on self hypnosis scripts designed to ease travel anxiety. Hypnosis scripts are available online, so you can invest in some subliminal MP3s. You can even bring it with you on your trip.
Pick up new information hungrily.You should also develop a hunger for new information and for learning. This keeps the brain from aging; a young brain is an energetic brain, after all. A brain that is constantly fed with new information is also kept alert at all times; it knows that it has to stay alert so it will not miss any new information fed to it. Thus, it becomes used to absorbing and comprehending new information and does so quickly.
It is possible to use subliminal messages to unconsciously learn new skills and change a person's internal dialog. A subliminal message works with the mind to make desired changes. It uses a form of relaxation or hypnotism to let audio subliminals the message get through allowing change to take place. This can often time reduce the time and effort needed to make desired changes. It is also an excellent way to unconsciously support and reinforce any conscious methods being used to learn new skills or make changes.
If you're striving to attain any goal at all - find something in that goal that is measurable. Measure the subliminal CDs hell out of it. Seek to improve... all the time.
Think of someone who you can't stand... who is always outperforming you or rubbing their successes in your face. Strive to be better than them in every way you feel is important. Sometimes competition can be an incredibly potent driving factor..
This means that when you passed that construction site this morning that remark on your anatomy, buried beneath the jackhammer's roar, was heard by you subliminally. The same is true of conversations at other tables in restaurants and all those TV commercials you don't listen to. The same is true for all the sights and sounds (and smells and tastes and touches) around you from the very beginning of your life to the present!
Problem-solving dreams are reported invariably by most when the techniques are used for a few nights. Their decisions are found to be influenced from within. After a week or so, they recognize that their smoking has reduced to half and their speed of learning has had noticeable improvement. You have moved ahead in achieving your core goals.