The essence of being happily human is to be creative. Few things in life are more fulfilling than transforming something old or non-existent into something new, better, faster, less expensive, more lucrative, joyful, efficient, effective, etc. And the secret to creative power is to get lost in what you're "creating." Getting lost is necessary to finding what's new.
Why? Because you can't come up with something new, different or original using your same old thinking mind. The metaphor and cliché for this concept is "thinking outside the box." But that's a misnomer because creativity is only partially about thinking. The purpose of thinking and feeling is just to get things started, get the creative process stimulated -- not to get the answer directly. This is where you may be going astray. The answer cannot be completely thought out no matter how smart you think you are.
Outside-the-box means outside the conscious, personal, thinking mind and into the subconscious, knowing mind. That's where all the creative power and action is. That's the faculty the answers come from. That's the higher level of consciousness you want to operate on all the time to be creative all the time. This is a form of meditation, perhaps the highest form.
All your thinking mind has to do is just get out the of way and let the creative process unfold. It unfolds from the subconscious by itself to the degree your personal, thinking/feeling mind is out of the way -- your ego is out of the way! Don't try, push or stress. That's the catch: Your effort needs to be effortless for it to work.
First, think or brainstorm about the new thing you strongly desire to create. Once it's clearly in mind and you're satisfied it is, then let it go. Drop it. Detach from it. Let it incubate. Let it sink into the subconscious for advanced processing.
Finally, just be calmly and patiently receptive to the answer -- which is guaranteed to come to the degree you are persistent and convinced that it will come.
You become a creator, inventor, explorer of that which is new and different -- that which has never been produced or expressed exactly this way before. Your getting lost in uncharted, unknown territory is the great joy, thrill and adventure of creation. You were created to be a creator, and fulfilling that purpose is what the good life is all about.