You have to make peace with that particular problem, while that problem exists, to discover a good solution to that particular problem. for example, you need to acknowledge yourself where you are, regardless - you can't tackle any issue without first tolerating it, and yourself. We waste huge time in acknowledging what has happened and then we decline it rather than accepting it.
Positive self-talk in its accurate and straightforward in its meaning is the demonstration of certifying positive thoughts and feelings from one's psyche which brings about internal harmony which we call inner peace. According to a few groups of folks who even guaranteed that this internal harmony shows in reality by means of getting rich or having or establishing solid human relations.