Be the Little Engine. Or, You move toward your currently dominant thought as per psychologist Denis Waitley in The Psychology of Winning . Adjust as needed. Commit Write down your goals, review them several times daily. Periodizing your program gives you steps to climb, right up to your goal.
Some weeks are quite shallow with a gradual rise and others, abrupt and steep.
The beauty of training in phases is that you get in shape on the easier steps and, because you're ready, progress smoothly to the larger more challenging ones. None, though come as a surprise. You've planned your journey up this staircase from the top, down. In the real world, expect to be stuck at some level. Imagine the lights failing, the banister breaking and the stairs getting taller with each step.