Some are useful, and some are useless fears that you can't or shouldn't do anything about.
They sap your strength for no reason, and you should put those fears in their place. Worrying about a comet striking Earth falls in this category.
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In scuba diving, for instance, fear can cause you to breathe too fast, swim too hard, move too suddenly, fail to take note of your surroundings, or rise too quickly toward the surface.
Knowing that fear has the potential to harm you can help you set it aside. Fold up that fear, put it in a box, and promise you'll get back to it later at a less dangerous time.
You may think it's your judgment deciding that something is dangerous and you should be afraid, but what actually happens is that fear chemicals are flooding into your brain.
Experiments have shown that fear can be induced artificially by injecting certain chemicals. Do the chemicals know what you should and shouldn't be afraid of? They don't. You do.
The more we stick with what's familiar, the more frightened we'll be every time we encounter the unfamiliar.
Seek out unfamiliar territory--try new things, stretch yourself professionally, risk being seen as a fool.
Focus on problem solving, such as doing a crossword puzzle, bookkeeping, responding to business emails, or other such emotionally neutral activity.
Naming your fears always takes some of the power out of them.
Telling someone what you're most afraid of can be a great way to cut those fears down. It's also very helpful to write them down. It will cause your brain to come up with solutions and backup plans.
Give yourself permission to wallow in your worries for a specified time. When it is over, tell yourself that you are now finished with useless fear.
Fear is everywhere and yet fear can be overcome, controlled and can even be a power for good.
Accept your fear relative to you.
The best way to conquer a fear is to face your fears head-on in a healthy manner that helps you move past the fear rather than in a way that traumatizes you.
There is always a period of loneliness when you move. Planning before leaving will help with that: Reach out to people you came in contact with while searching for jobs, contact your alumni office and ask for a list of people who live in your new city or join Facebook groups for expats living in your new home.