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.
Second step is to read books, audios, DVDs, Seminars by rich people. Some good books are Think and Grow Rich, Rich Dad Poor Dad, Science of Getting Rich. Once we understand how money works we can figure out how to get more of it.
Take depression and its statistics. How many of us are depressed and unhappy? Then there is the weight loss group; ads galore, money spent galore. There are those out of work audio subliminals and with money and debt problems. There are dating issues, therapy, abuse, health issues. I could go on and on.
They can make you a better person. Are you frustrated about your personality flaws? Do you find yourself throwing tantrums? Are people turned off by your temper? Do you sometimes succumb to your mean streak? If there are problematic aspects in your attitude, a subliminal CD can effectively smooth them out. These subliminal CDs can work against your bad behavioral traits regardless of what their roots are.
Learn something new, a skill, an attitude, a technique, a story, a song, a dance, etc. Always ask related question about what you learned. Have short breaks after class.
Sleep and rise early! This is also one way to rejuvenate you as a whole. This habit will make you fresher and more alert. Being an early bird makes you productive and keeps you active all throughout the day. Those who sleep late of course, wake up late and later feels lazy and they can't focus well. About naps, a 20-minute one is all right.
Use the hypnosis CDs often. Hypnosis isn't an overnight practice. It should be done regularly since the subconscious mind is extremely hard to get into. Thus, listen to your hypnosis audio as many times as you can. You can also play your CDs in your car while driving.