And many young people don't have anyone in their lives to counteract that message -- to tell them that gratification that comes instantaneously usually disappears just as quickly, and that real success in life comes from commitment and persistence, effort, hard work.

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"Any life spared from cancer or serious illness is a victory, but success comes in little steps -- one life at a time, " said Dr. Marisa Weiss, the president and founder of advocacy group Breastcancer.org and the author of several books, including Taking Care of Your Girls: A Breast Health Guide for Girls, Teens, and In-Betweens.

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Being willing to give up the familiarity of the known and embrace the discomfort that comes from being outside your comfort zone is increasingly crucial to your success in work and life.

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