The Mind Game

I have always noticed that whenever I have told my mind something about anything decisive, my mind refuses to take any change. Be it positive or negative. I have also seen if I want something from my heart and soul and mind somehow Universe makes it happen for me.
Brain is such a mysterious organ of our body , how it works. Sometimes I am sure there are scientific explanations and sometimes some experiences are simply miraculous.
Some psychological facts from internet(which has happened with me):

If you announce your goals to others, you are less likely to make them happen because you lose motivation, studies confirmedYour favorite song is probably your favorite because you associate it with an emotional event in your life.Spending money on others yields more happiness than spending it on yourself a study concluded

The key to happiness is spending your money on experiences rather than possessions, according to studies.