Just as in life: NO SHORTCUTS. Personal Growth is a process. What happens when we attempt to shortcut a natural process in our growth/development?
If you are only an average tennis player but decide to play at a higher level, what will result? Would positive thinking enable you to compete effectively against a professionals?
The answer is obvious. It is simply impossible to violate, ignore, or shortcut this developmental process. It is contrary to nature, and attempting to accomplish such a shortcut results in disappointment and frustration.