Think bad habits like nail biting are hard to break? Find out how to kick them for good.
10. Fidgeting -- Everyone gets anxious, but fidgeting can be seen as a sign of weakness. To keep calm in tense situations, put your hands at your sides and imagine they're glued there, Ken Lindner, author of "Your Killer Emotions," told Woman's Day. Or, if you're sitting, rest your hands on top of your knees and consciously think about not moving them until you have to.
National Nuclear Security Administration
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