This is the paradox of proficient striving: those who put their whole heart and soul into realizing a vision, a passion or a project —while actually enjoying the process—can do so because they are unattached from the outcome. They view life as play, and the pursuit of passion as an end in itself.
If I asked you to give me your brain, would you?
Probably not. Why, then, have you forfeited your ability—and your right—to use it?