What you focus on expands. Your thoughts, feelings and actions will expand and return to you.
Every thought you have, is like placing an order out into the universe and it will return to you. If you truly want to change your life for better then change your thoughts and your words. Like attracts like. Whatever your focus on will return to you.
This secret law of attraction when not understood can cause your path in life to be much bumpier than necessary. The more you understand that every thought, word and deed will create your reality then you will understand you are in control of changing your life for the better by changing your thoughts, words, and actions.
articlesource : http://www.positive-way.com/like_attracts_like_the_secret_la.htm