Achieving complex and difficult goals requires focus, long-term diligence and effort (see Goal pursuit). Success in any field requires forgoing excuses and justifications for poor performance or lack of adequate planning; in short, success requires emotional maturity. The measure of belief that people have in their ability to achieve a personal goal also affects that achievement.
1530s, "end point of a race," of uncertain origin. The noun gol appears once before this, in a poem from early 14c. and with an apparent sense of "boundary, limit." Perhaps from Old English *gal "obstacle, barrier," a word implied by gælan "to hinder." Or from Old French gaule "a pole," from Germanic; or a figurative use of Middle English gale "a way, course." Sports sense of "place where the ball is put to score" is attested from 1540s. Figurative sense of "object of an effort" is from 1540s.
^ Creek, Jennifer; Lougher, Lesley (2008). "Goal setting". Occupational therapy and mental health (4th ed.). Edinburgh; New York: Churchill Livingstone Elsevier. pp. 111–113 (112). ISBN 9780443100277. OCLC 191890638. Client goals are usually set on two or three levels. Long-term goals are the overall goals of the intervention, the reasons why the client is being offered help and the expected outcome of intervention... Intermediate goals may be clusters of skills to be developed, attitudes to be changed or barriers to be overcome on the way to achieving the main goals... Short-term goals are the small steps on the way to achieving major goals.

Goal setting is much more than simply saying you want something to happen. Unless you clearly define exactly what you want and understand why you want it the first place, your odds of success are considerably reduced. By following the Five Golden Rules of Goal Setting you can set goals with confidence and enjoy the satisfaction that comes along with knowing you achieved what you set out to do.
Give yourself a pat on the back for all those little wins -- they add up. And when you reach a major milestone, take time to acknowledge it. This reinforces that what you’re doing is exciting and important, and gives you a chance to recognize those who have helped you along the way. Plus, celebrating your accomplishments will help keep you motivated and focused so you can keep going.
Step 6: Remember that your prosperity and success will benefit others, and that no one lacks abundance because you've opted for it. The supply is unlimited. The more you partake of the universal generosity, the more you'll have to share with others. In writing this book, wonderful abundance has flowed into my life in many ways. But even more significantly, book editors and graphic designers, the truck drivers who deliver the book, the auto workers who build the trucks, the farmers who feed the auto workers, and bookstore clerks. all receive abundance because I've followed my bliss and have written this book.

Assess why you're slipping: are you not sticking to your plan, or is your timeline unrealistic? If it's the latter, adjust your plan to something more reasonable. If it's the former, work on dedicating yourself to sticking to your target. Sometimes our plans are thwarted by outside influences, about which there's not much you can do; simply reorient yourself and continue onward. Keep in mind that failure is a part of progress.

Mistakes do happen, sometimes with our knowledge and sometimes without knowledge. Committing a mistake is not a sin; to not learn from it and not to emerge strong from the mistake is not smart though. Grab the moment, seek guidance if necessary, contemplate on the years that are left in your one and only life. There is always light at the end of the tunnel.
Sharlyn Lauby is the HR Bartender, whose blog is a friendly place to discuss workplace issues. HR Bartender has been recognized as one of the Top 5 Blogs Read by HR professionals by the Society for Human Resource Management (SHRM). When she's not tending bar, Sharlyn is president of ITM Group, Inc., which specializes in training solutions to help clients retain and engage talent. For the Saba blog, Sharlyn writes about HR trends and best practices that impact employee engagement and performance. She is the author of "Manager Onboarding: 5 Steps for Setting New Leaders Up for Success" and "The Recruiter's Handbook: A Complete Guide for Sourcing, Selecting, and Engaging the Best Talent", which are available on Amazon. Her personal goal in life is to find the best cheeseburger on the planet.
Step 2: Affirm: I attract success and abundance into my life because that is who I am. This puts you into vibratory harmony with your Source. Your goal is to eliminate any distance between what you desire and that from which you pull it into your life. Abundance and success aren't out there waiting to show up for you. You are already it, and the Source can only provide you with what it is, and, consequently, what you are already.
So first, we have to make sure we're not shortchanging ourselves when we're setting goals. If the goal is no stretch for us, there's no point to it. For example, if I set a goal to run 2 km every day and I already run 1.8 km every day, I'm not challenging myself. Worse, I'm probably boring myself. A much better goal might be to participate in and finish a particular race. That would be more of a challenge, and it's challenge that keeps us interested.
Some coaches recommend establishing specific, measurable, achievable, relevant, and time-bounded (SMART) objectives, but not all researchers agree that these SMART criteria are necessary.[6] The SMART framework does not include goal difficulty as a criterion; in the goal-setting theory of Locke and Latham, it is recommended to choose goals within the 90th percentile of difficulty, based on the average prior performance of those that have performed the task.[7][3]