It's impossible to consistently behave in a manner inconsistent with how we see ourselves. We can do very few things in a positive way if we feel negative about ourselves.
Zig ZiglarThe young athlete who aspires to greatness, generally speaking, learns a number of things from several different coaches. The first one taught him the fundamentals; the second one instilled discipline in him and taught him more of the techniques that must be mastered to excel.
Zig Ziglar