Everyone deals with frustrations that's all part of life. When life knocks you down remember you can get back up again. Many times we try to do too many things at once. We often try to impress and compete with people in our lives. Whenever you feel defeated or things are not going as you plan; relax and take a deep breath.
Everyday that you wake up their is hope for today. You are here for a reason. Don't worry about tomorrow, because tomorrow will take care of itself. The world wasn't created all in one day. Reading self help books and; talking with positive friends and family members is always helpful.
Its always good to deal with people; who is on the same page is you. Stay away from negative friends, family members, etc who would love to see nothing more than to see you fail; or project their miseries and insecurities into your life. If you are religious person or whatever faith you belong to praying is good.
There is nothing wrong with talking about your frustrations, and problems with someone who has your best interest. Sometimes we try to be too strong for too long and eventually you will break. Even if you have to set one goal at a time; you can slowly moving toward accomplishing your goals. Don't ever feel like a failure. We all have to crawl before we walk.