It's easier to recognize beauty than it is to create it. You're good enough to know that what you're doing isn't good, but not good enough to produce something great. When you find yourself in this frustrating limbo, the challenge is to never forget what got you there in the first place. Remember that thing that got you into the game.
We can infer then that happiness is enabled by an ability to create at will what we need, mentally, emotionally and materially. Although this sounds like a hybrid of the Law of Attraction and great portfolio management, to measure success in this way is really determined by our levels of willpower and self-control, which when combined lead us to self-mastery.
It's glacial and classified as a technical climb, meaning you need crampons, an ice ax, a hard hat, special clothing and boots, and a long list of other essentials to undertake the journey. As in business, the mountain is unforgiving of those who neglect even small details in preparing to make the climb to the top.